# data[].attributes.body
A war fought between the United States and Mexico from 1846 to 1848.

# data[].attributes.body
the 19th-century doctrine or belief that the expansion of the US throughout the American continents was both justified and inevitable.

# data[].attributes.body
The period after the Civil War in which the states formerly part of the Confederacy were brought back into the United States.

# data[].attributes.body
the period after the Civil War in which the states formerly part of the Confederacy were brought back into the United States.

# data[].attributes.body
a wing of the Republican Party organized around an uncompromising opposition to slavery before and during the Civil War and a vigorous campaign to secure rights for freed slaves during Reconstruction

# data[].attributes.body
he 13th, 14th, and 15th Amendments, known collectively as the Civil War Amendments, were designed to ensure equality for recently emancipated slaves. The 13th Amendment banned slavery and all involuntary servitude, except in the case of punishment for a crime.

# data[].attributes.body
A speech delivered by Abraham Lincoln during the Civil War. Lincoln was speaking at the dedication of a soldiers' cemetery at the site of the Battle of Gettysburg.

# data[].attributes.body
was an executive order issued on January 1, 1863, by President Lincoln freeing slaves in all portions of the United States not then under Union control (that is, within the Confederacy).

# data[].attributes.body
The Confederate States of America; the government formed in 1861 by southern states that proclaimed their secession from the United States.

# data[].attributes.body
The United States; especially the northern states during the Civil War, which remained with the original United States government.

# data[].attributes.body
The election was held on Tuesday, November 6, 1860, and served as the immediate impetus for the outbreak of the American Civil War.

# data[].attributes.body
16th President of the United Stated

# data[].attributes.body
one of the two major political parties in the U.S.: originated 1854–56.

# data[].attributes.body
the act of Congress in 1854 annulling the Missouri Compromise, providing for the organization of the territories of Kansas and Nebraska, and permitting these territories self-determination on the question of slavery.

# data[].attributes.body
A set of laws, passed in the midst of fierce wrangling between groups favoring slavery and groups opposing it, that attempted to give something to both sides

# data[].attributes.body
Area of the present-day United States that Mexico agreed to give up as part of the Treaty of Guadalupe Hidalgo, which ended the Mexican-American War.

# data[].attributes.body
Pertaining to or opposing the extension of slavery in the Territories.

# data[].attributes.body
the policy of protecting the interests of native-born or established inhabitants against those of immigrants:

# data[].attributes.body
the action of coming to live permanently in a foreign country

# data[].attributes.body
Two main immigrants in the Civil war

# data[].attributes.body
formal withdrawal of states or regions from a nation

# data[].attributes.body
1857: Dred Scott (a Missouri slave) sued for his freedom, claiming that his four year stay in the northern, free portion of territory, deemed free by the Missouri Compromise, had made him a free man; Supreme Court declared him not a citizen, that he had no rights to sue in courts, and that Congress had no power to bar slavery from any territory; invalidated the Missouri Compromise and the basic ideas of popular sovereignty

# data[].attributes.body
1850: law that made it a crime to help runaway slaves; allowed for the arrest of escaped slaves in areas where slavery was illegal and required their return to slaveholders