This served as a justification for mid-nineteenth-century expansionism in the United States, it will also arguably become the forefather of American Imperialism.

 A widely read novel that dramatized the horrors of slavery. It heightened northern support for abolition and escalated the sectional conflict.

___________________asked whether the Court or the people should decide the future of slavery in the territories

First major battle of the Civil War and a victory for the South.

Measures introduced by Illinois congressman Abraham Lincoln, questioning President James K. Polk’s justification for war with Mexico.

One of the first religious communites to speak anti-slavery sentiment in America were the Quakers.

Declared all slaves in rebelling states to be free but did not affect slavery in non-rebelling Border States.

Notion advanced before the Civil War that the sovereign people of a given territory should decide whether to allow slavery

The creation of the  Republic of Somalia in 1822 was to provide a destination for members of the American Colonialization Society when they migrated back to Africa. 

The British had a  strong claim on the Oregon  territory based on prior discovery, exploration, treaty rights and actual occupation of said territory.