https://www.usatoday.com/story/news/nation-now/2018/02/08/column-why-america-cant-get-over-slavery-its-greatest-shame/1000524001/ check this site out it has some pretty good reasons you can use
Columbus found America in 1492
Popular sovereignty, or the sovereignty of the peoples' rule, is part of the seven principles, that the authority of a state and its government is created and sustained by the consent of its people, through their elected representatives (Rule by the People), who are the source of all political power.
The event that triggered war came at Fort Sumter in Charleston Bay on April 12, 1861 because of uncompromising differences between the free and slave states over the power of the National Government to prohibit slavery in the territories that had not yet become states.
Answer:
Passed on September 18, 1850 by Congress, The Fugitive Slave Act of 1850 was part of the Compromise of 1850. The act required that slaves be returned to their owners, even if they were in a free state. The act also made the federal government responsible for finding, returning, and trying escaped slaves.
Explanation:
https://www.battlefields.org/