# data[].attributes.body
The 16th president of the United States who saved the Union during the American Civil War and emancipated the slaves

# data[].attributes.body
It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders

# data[].attributes.body
A person who favors formal withdrawal from membership of a federation or body, especially a political state.

# data[].attributes.body
A group formed in the United States in the 1860s. The group was formed after the Election of 1860.

# data[].attributes.body
A supporter of the Union

# data[].attributes.body
Documents drafted and ratified in 1860 and 1861 by each of the thirteen southern states and the Territory of Arizona formally seceding from the United States of America.

# data[].attributes.body
The nineteenth quadrennial presidential election to select the President and Vice President of the United States.

# data[].attributes.body
An effort by armed abolitionist John Brown to initiate an armed slave revolt in 1859 by taking over a United States arsenal at Harpers Ferry, Virginia.

# data[].attributes.body
An abolitionist of the nineteenth century who sought to free the slaves by military force.

# data[].attributes.body
A controversial ruling made by the Supreme Court in 1857, shortly before the outbreak of the Civil War.

# data[].attributes.body
A person who believes in or advocates the prohibition of slavery.

# data[].attributes.body
A series of violent political confrontations in the United States between 1854 and 1861 involving anti-slavery "Free-Staters" and pro-slavery "Border Ruffian", or "southern" elements in Kansas.

# data[].attributes.body
A law passed as part of the Compromise of 1850, which provided southern slaveholders with legal weapons to capture slaves who had escaped to the free states.

# data[].attributes.body
A set of laws passed dealing with the controversial issue of slavery.

# data[].attributes.body
An armed conflict between the United States of America and the United Mexican States from 1846 to 1848

# data[].attributes.body
An American soldier and statesman who served as the seventh President of the United States from 1829 to 1837.

# data[].attributes.body
It was passed during the Nullification Crisis and authorized President Jackson to use military force against any state that resisted the protective tariff laws.

# data[].attributes.body
An American statesman and political theorist from South Carolina, and the seventh Vice President of the United States from 1825 to 1832.

# data[].attributes.body
A duty imposed on imports to raise their price and protecting domestic industries from foreign competition.

# data[].attributes.body
A United States sectional political crisis in 1832-33, which involved a confrontation between South Carolina and the federal government.

# data[].attributes.body
On May 8, 1829, a title was generally attached to the legislation passed by the 16th United States Congress which measures for the admission of Maine as a free state along with Missouri as a slave state.