7 datasets found
  1. a

    US Slavery and Slave Trade, 1850

    • hub.arcgis.com
    Updated Sep 18, 2023
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    MapMaker (2023). US Slavery and Slave Trade, 1850 [Dataset]. https://hub.arcgis.com/maps/819f60a5a3344d958d24f505849abaaa
    Explore at:
    Dataset updated
    Sep 18, 2023
    Dataset authored and provided by
    MapMaker
    Area covered
    Description

    Note: Explore this map with the activity The Underground Railroad.This map shows which states and territories in 1850 permitted the enslavement of people, and which did not. Slavery had been practiced in North America since well before the United States was founded in 1776, and by 1850 it was a key part of the agricultural economy of the southern states. Large cotton plantations operated on the labor of enslaved people, particularly Black Africans. Meanwhile, the northern United States had a more industrial economy, and by 1850 had mostly prohibited slavery for economic, political, and moral reasons. Though these states were considered “free” states, in many cases this meant that slavery wasn’t widespread. Even in states and territories where slavery was technically illegal, there were many loopholes that kept people enslaved and restricted free Black people.

    In the years before the American Civil War, which began in 1861, the question of whether new states would allow slavery caused a lot of disagreement and tension between the North and South. The United States was carefully balanced to have as many "slave" states as "free" states, giving both sides an equal number of senators. The South was worried that if more free states were added, this balance would be upset, and the North would be able to pass legislation banning slavery in the United States. The North didn't want slavery to spread to new areas, both for moral reasons and because they didn’t think it was fair that enslaved people couldn’t vote but counted as part of the population when assigning congressional delegates. They argued that this gave the South an unfair advantage when voting for new laws. To try to keep the peace, a series of compromises, such as the Missouri Compromise of 1820 were proposed to determine what states and territories would or would not permit slavery.

    Another issue that caused tension between abolitionists in the North and slave owners in the South was the ongoing trade of enslaved people. The United States government had banned foreign slave trade in 1800, but this did nothing to free the people who were already enslaved in the United States. States in the upper South, such as Virginia, now profited from selling enslaved people to new states in the Deep South.

    To escape enslavement, some enslaved people used an informal network of routes, places, and people known as the Underground Railroad to travel in secret to the Northern United States and into Canada, where slavery was illegal. The Underground Railroad was not a literal underground railroad, but because escaping from slavery and helping enslaved people escape was illegal, the network operated in secret. The “conductors” were the people leading enslaved people to freedom and the “station masters,” those who hid enslaved people on the way north. According to some estimates, between 1810 and 1850, the Underground Railroad helped to guide 100,000 enslaved people to freedom.

    This map was made through the process of digitization, or tracing historical maps using modern geographic information system (GIS) software. These maps don’t always line up perfectly with modern boundaries, for many reasons. Over time, natural landmarks, such as rivers, can shift their paths, and human landmarks, such as buildings and roads, can be abandoned and demolished. There are also differences in the accuracy of hand-drawn maps compared to computer-drawn maps.

    The original maps are published in Harper’s Atlas of American History, and are available through the Library of Congress:

    Slavery and Slave Trade 1830-1850

    Routes of the Underground Railroad 1830-1865

    Fox, Dixon Ryan. Harper's atlas of American history, selected from "The American nation series," with map studies, by Dixon Ryan Fox. [New York, London, Harper & Brothers, 1920] Pdf. https://www.loc.gov/item/32005827/

  2. Black and slave population in the United States 1790-1880

    • statista.com
    Updated Aug 12, 2024
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    Statista (2024). Black and slave population in the United States 1790-1880 [Dataset]. https://www.statista.com/statistics/1010169/black-and-slave-population-us-1790-1880/
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    Dataset updated
    Aug 12, 2024
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    There were almost 700 thousand slaves in the US in 1790, which equated to approximately 18 percent of the total population, or roughly one in every six people. By 1860, the final census taken before the American Civil War, there were four million slaves in the South, compared with less than 0.5 million free African Americans in all of the US. Of the 4.4 million African Americans in the US before the war, almost four million of these people were held as slaves; meaning that for all African Americans living in the US in 1860, there was an 89 percent* chance that they lived in slavery. A brief history Trans-Atlantic slavery began in the early sixteenth century, when the Portuguese and Spanish forcefully brought captured African slaves to the New World, in order to work for them. The British Empire introduced slavery to North America on a large scale, and the economy of the British colonies there depended on slave labor, particularly regarding cotton, sugar and tobacco output. In the seventeenth and eighteenth century the number of slaves being brought to the Americas increased exponentially, and at the time of American independence it was legal in all thirteen colonies. Although slavery became increasingly prohibited in the north, the number of slaves remained high during this time as they were simply relocated or sold from the north to the south. It is also important to remember that the children of slaves were also viewed as property, and (apart from some very rare cases) were born into a life of slavery. Abolition and the American Civil War In the years that followed independence, the Northern States began gradually prohibiting slavery, and it was officially abolished there by 1805, and the importation of slave labor was prohibited nationwide from 1808 (although both still existed in practice after this). Business owners in the Southern States however depended on slave labor in order to meet the demand of their rapidly expanding industries, and the issue of slavery continued to polarize American society in the decades to come. This culminated in the election of President Abraham Lincoln in 1860, who promised to prohibit slavery in the newly acquired territories to the west, leading to the American Civil War from 1861 to 1865. Although the Confederacy (south) were victorious in much of the early stages of the war, the strength in numbers of the northern states (including many free, black men), eventually resulted in a victory for the Union (north), and the nationwide abolishment of slavery with the Thirteenth Amendment in 1865. Legacy In total, an estimated twelve to thirteen million Africans were transported to the Americas as slaves, and this does not include the high number who did not survive the journey (which was as high as 23 percent in some years). In the 150 years since the abolishment of slavery in the US, the African-American community have continuously campaigned for equal rights and opportunities that were not afforded to them along with freedom. The most prominent themes have been the Civil Rights Movement, voter suppression, mass incarceration and the relationship between the police and the African-American community has taken the spotlight in recent years.

  3. a

    Trans-Atlantic and Intra-Americas Slave Trade

    • hub.arcgis.com
    Updated May 10, 2023
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    MapMaker (2023). Trans-Atlantic and Intra-Americas Slave Trade [Dataset]. https://hub.arcgis.com/maps/3b5d28ebb6ee4d98930ebf3f9826ad35
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    Dataset updated
    May 10, 2023
    Dataset authored and provided by
    MapMaker
    Area covered
    Description

    Beginning in the 16th century, European traders began to buy or capture people in the African continent to enslave and sell for profit. This trade began with Portugal and Spain, but it later expanded to include France, England, the Netherlands and other European countries. By the time the trading of enslaved people was finally put to an end in the 19th century, Europeans had abducted an estimated 12.5 million African people from their homelands, forced them onto ships, trafficked them to the Americas, and sold them on the auction block. Almost two million people died during transport; most of the rest were forced into labor camps, also called plantations. This extensive and gruesome human trafficking is commonly referred to as the transatlantic slave trade. The Portuguese began human trafficking in Africa by trading manufactured goods or money for Africans who had been captured during local wars. Later, some Europeans captured Africans themselves or paid other local Africans to do it for them. Europeans traded for or kidnapped Africans from many points on Africa’s coast, including Angola, Senegambia and Mozambique. Most of the people who were enslaved by the Europeans came from West and Central Africa.The most brutal segment of the route was the Middle Passage, which transported chained African people across the Atlantic Ocean as they were packed tightly below the decks of purpose-built ships in unsanitary conditions. This trip could last weeks or even months depending on conditions, and the trafficked people were subjected to abuse, dangerously high heat, inadequate food and water, and low-oxygen environments. Olaudah Equiano, a young boy who was forced into the Middle Passage after being captured in his home country of Nigeria, later described the foul conditions as “intolerably loathsome” and detailed how people died from sickness and lack of air. Approximately 1.8 million African people are thought to have died during the passage, accounting for about 15–25 percent of those who were taken from Africa.For many enslaved Africans trafficked across the Atlantic, the port at which their ship landed was not their final destination. Enslaved people were often transported by ship between two points in the Americas, particularly from Portuguese, Dutch and British colonies to Spanish ones. This was the intra-American slave trade. No matter where they landed, enslaved Africans faced brutal living conditions and high mortality rates. Moreover, any children born to enslaved persons were also born into slavery, usually with no hope of ever gaining freedom.This data set is the culmination of decades of archival research compiled by the SlaveVoyages Consortium. This data represents the trafficking of enslaved Africans from 1514 to 1866. All mapmakers must make choices when presenting data. This map layer represents individuals who experts can definitively place at a given location on one of at least 36,000 transatlantic and at least 10,000 intra-American human trafficking routes. However, this means the enslaved people for whom records cannot place their departure or arrival with certainty do not appear on this map (approximately 170,985 people). This map, therefore, is part of the story and not a complete accounting. You can learn more about the methodology of this data collection here.

  4. a

    Battlefields of the Civil War

    • geoeducation-in-delaware-delaware.hub.arcgis.com
    Updated Jun 11, 2012
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    ArcGIS StoryMaps (2012). Battlefields of the Civil War [Dataset]. https://geoeducation-in-delaware-delaware.hub.arcgis.com/datasets/Story::battlefields-of-the-civil-war
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    Dataset updated
    Jun 11, 2012
    Dataset authored and provided by
    ArcGIS StoryMaps
    Description

    The election of Abraham Lincoln in November of 1860 brought to a head the issue of slavery in the United States. In direct response to Lincoln's election as president, seven southern states seceded from the Union rather than continue to negotiate and compromise over the issue of slavery, which had been the norm for so many decades.This story map locates most of the major battles of the American Civil War. It was developed in partnership with the American Battlefield Trust.Many of the descriptions for individual sites include links to excellent battlefield maps, articles and in-depth analysis from the American Battlefield Trust. The Trust is America's largest non-profit organization devoted to the preservation of our nation's endangered battlefields. The Trust also promotes educational programs and heritage tourism initiatives to inform the public of the war's history and the fundamental conflicts that sparked it. See additional story maps at esri.com/arcgisstorymaps.

  5. How Do I Read a Map?

    • library.ncge.org
    Updated Jul 28, 2021
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    NCGE (2021). How Do I Read a Map? [Dataset]. https://library.ncge.org/documents/how-do-i-read-a-map--1/about
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    Dataset updated
    Jul 28, 2021
    Dataset provided by
    National Council for Geographic Educationhttp://www.ncge.org/
    Authors
    NCGE
    License

    Attribution-NonCommercial-ShareAlike 4.0 (CC BY-NC-SA 4.0)https://creativecommons.org/licenses/by-nc-sa/4.0/
    License information was derived automatically

    Description

    Author: A Kloempken, educator, Minnesota Alliance for Geographic EducationGrade/Audience: grade 6, grade 7Resource type: lessonSubject topic(s): maps, historyRegion: united statesStandards: Standard 1. People use geographic representations and geospatial technologies to acquire, process and report information within a spatial context.

    Standard 2. Historical inquiry is a process in which multiple sources and different kids of historical evidence are analyzed to draw conclusions about what happened in the past, and how and why it happened.

    Standard 19. Regional tensions around economic development, slavery, territorial expansion and governance resulted in a civil war and a period of Reconstruction that led to the abolition of slavery, a more powerful federal governments, a renewed push into indigenous nations' territory and continuing conflict over racial relations (Civil War and Reconstruction 1850-1877) Objectives: Students will be able to:

    1. Understand the parts of a map (TODALSS)
    2. Read and analyze a map.
    3. Compare maps as primary and secondary sources.
    4. Develop guiding questions for research.Summary: This lesson will aid students throughout the grade levels to understand historic maps and how to analyze them. Here, maps of the Battle of Gettysburg are used for research into Minnesota' role in the battle.
  6. Number of US states by year since 1776

    • statista.com
    Updated Aug 9, 2024
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    Statista (2024). Number of US states by year since 1776 [Dataset]. https://www.statista.com/statistics/1043617/number-us-states-by-year/
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    Dataset updated
    Aug 9, 2024
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    Although the founding fathers declared American independence in 1776, and the subsequent Revolutionary War ended in 1783, individual states did not officially join the union until 1787. The first states to ratify the U.S. Constitution were Delaware, Pennsylvania and New Jersey, in December 1787, and they were joined by the remainder of the thirteen ex-British colonies by 1790. Another three states joined before the turn of the nineteenth century, and there were 45 states by 1900. The final states, Alaska and Hawaii, were admitted to the union in 1959, almost 172 years after the first colonies became federal states. Secession in the American Civil War The issues of slavery and territorial expansion in the mid nineteenth century eventually led to the American Civil War, which lasted from 1861 until 1865. As the U.S. expanded westwards, a moral and economic argument developed about the legality of slavery in these new states; northern states were generally opposed to the expansion of slavery, whereas the southern states (who were economically dependent on slavery) saw this lack of extension as a stepping stone towards nationwide abolition. In 1861, eleven southern states seceded from the Union, and formed the Confederate States of America. When President Lincoln refused to relinquish federal property in the south, the Confederacy attacked, setting in motion the American Civil War. After four years, the Union emerged victorious, and the Confederate States of America was disbanded, and each individual state was readmitted to Congress gradually, between 1866 and 1870. Expansion of other territories Along with the fifty U.S. states, there is one federal district (Washington D.C., the capital city), and fourteen overseas territories, five of which with a resident population (American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands). In 2019, President Trump inquired about the U.S. purchasing the territory of Greenland from Denmark, and, although Denmark's response indicated that this would be unlikely, this does suggest that the US may be open to further expansion of it's states and territories in the future. There is also a movement to make Washington D.C. the 51st state to be admitted to the union, as citizens of the nation's capital (over 700,000 people) do not have voting representation in the houses of Congress nor control over many local affairs; as of 2020, the U.S. public appears to be divided on the issue, and politicians are split along party lines, as D.C. votes overwhelmingly for the Democratic nominee in presidential elections.

  7. Number of lynchings in the U.S. by state and race 1882-1968

    • statista.com
    Updated Aug 12, 2024
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    Statista (2024). Number of lynchings in the U.S. by state and race 1882-1968 [Dataset]. https://www.statista.com/statistics/1175147/lynching-by-race-state-and-race/
    Explore at:
    Dataset updated
    Aug 12, 2024
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    Lynching in the United States is estimated to have claimed over 4.7 thousand lives between 1882 and 1968, and just under 3.5 thousand of these victims were black. Today, lynching is more commonly associated with racial oppression, particularly in the south, however, in early years, victims were more commonly white (specifically Mexican), and lynchings were more frequent in western territories and along the southern border. It was only after Reconstruction's end where the lynching of black people became more prevalent, and was arguably the most violent tool of oppression used by white supremacists. Nationwide, the share of the population who was black fluctuated between 10 and 13 percent in the years shown here, however the share of lynching victims who were black was almost 73 percent. North-south divide Of the 4.7 thousand victims of lynching between 1882 and 1968, over 3.5 thousand of these were killed in former-Confederate states. Of the fourteen states where the highest number of lynching victims were killed, eleven were former-Confederate states, and all saw the deaths of at least one hundred people due to lynching. Mississippi was the state where most people were lynched in these years, with an estimated 581 victims, 93 percent of whom were black. Georgia saw the second most lynchings, with 531 in total, and the share of black victims was also 93 percent. Compared to the nationwide average of 73 percent, the share of black victims in former-Confederate states was 86 percent. Texas was the only former-Confederate state where this share (71 percent) was below the national average, due to the large number of Mexicans who were lynched there. Outside of the south Of the non-Confederate state with the highest number of lynching victims, most either bordered the former-Confederate states, or were to the west. Generally speaking, the share of white victims in these states was often higher than in the south, meaning that the majority took place in the earlier years represented here; something often attributed to the lack of an established judiciary system in rural regions, and the demand for a speedy resolution. However, there are many reports of black people being lynched in the former border states in the early-20th century, as they made their way northward during the Great Migration. Between 1882 and 1968, lynchings were rare in the Northeast, although Connecticut, Massachusetts, New Hampshire and Rhode Island were the only states** without any recorded lynchings in these years.

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MapMaker (2023). US Slavery and Slave Trade, 1850 [Dataset]. https://hub.arcgis.com/maps/819f60a5a3344d958d24f505849abaaa

US Slavery and Slave Trade, 1850

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Dataset updated
Sep 18, 2023
Dataset authored and provided by
MapMaker
Area covered
Description

Note: Explore this map with the activity The Underground Railroad.This map shows which states and territories in 1850 permitted the enslavement of people, and which did not. Slavery had been practiced in North America since well before the United States was founded in 1776, and by 1850 it was a key part of the agricultural economy of the southern states. Large cotton plantations operated on the labor of enslaved people, particularly Black Africans. Meanwhile, the northern United States had a more industrial economy, and by 1850 had mostly prohibited slavery for economic, political, and moral reasons. Though these states were considered “free” states, in many cases this meant that slavery wasn’t widespread. Even in states and territories where slavery was technically illegal, there were many loopholes that kept people enslaved and restricted free Black people.

In the years before the American Civil War, which began in 1861, the question of whether new states would allow slavery caused a lot of disagreement and tension between the North and South. The United States was carefully balanced to have as many "slave" states as "free" states, giving both sides an equal number of senators. The South was worried that if more free states were added, this balance would be upset, and the North would be able to pass legislation banning slavery in the United States. The North didn't want slavery to spread to new areas, both for moral reasons and because they didn’t think it was fair that enslaved people couldn’t vote but counted as part of the population when assigning congressional delegates. They argued that this gave the South an unfair advantage when voting for new laws. To try to keep the peace, a series of compromises, such as the Missouri Compromise of 1820 were proposed to determine what states and territories would or would not permit slavery.

Another issue that caused tension between abolitionists in the North and slave owners in the South was the ongoing trade of enslaved people. The United States government had banned foreign slave trade in 1800, but this did nothing to free the people who were already enslaved in the United States. States in the upper South, such as Virginia, now profited from selling enslaved people to new states in the Deep South.

To escape enslavement, some enslaved people used an informal network of routes, places, and people known as the Underground Railroad to travel in secret to the Northern United States and into Canada, where slavery was illegal. The Underground Railroad was not a literal underground railroad, but because escaping from slavery and helping enslaved people escape was illegal, the network operated in secret. The “conductors” were the people leading enslaved people to freedom and the “station masters,” those who hid enslaved people on the way north. According to some estimates, between 1810 and 1850, the Underground Railroad helped to guide 100,000 enslaved people to freedom.

This map was made through the process of digitization, or tracing historical maps using modern geographic information system (GIS) software. These maps don’t always line up perfectly with modern boundaries, for many reasons. Over time, natural landmarks, such as rivers, can shift their paths, and human landmarks, such as buildings and roads, can be abandoned and demolished. There are also differences in the accuracy of hand-drawn maps compared to computer-drawn maps.

The original maps are published in Harper’s Atlas of American History, and are available through the Library of Congress:

Slavery and Slave Trade 1830-1850

Routes of the Underground Railroad 1830-1865

Fox, Dixon Ryan. Harper's atlas of American history, selected from "The American nation series," with map studies, by Dixon Ryan Fox. [New York, London, Harper & Brothers, 1920] Pdf. https://www.loc.gov/item/32005827/

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