How and why did the outcomes of the war with Mexico 1846-48 add to sectional difficulties?

Compromise of 1850

(1) California admitted as free state, (2) territorial status and popular sovereignty of Utah and New Mexico, (3) resolution of Texas-New Mexico boundaries, (4) federal assumption of Texas debt, (5) slave trade abolished in DC but not slavery, and (6) new fugitive slave law; advocated by Henry Clay and Stephen A. Douglas

Missouri Compromise of 1820

As the North got more populous and wealthy, The South began to worry they would use this to their advantage. To maintain the balance it was agreed that Missouri could enter the union as a slave state, Maine to enter the union as a free state, prohibited slavery above of latitude 36˚ 30' ( NON- SLAVE )within the Louisiana Territory (1803).

Wilmot Proviso (1846)

This bill was presented during the Mexican-American War, suggesting that none of the territory acquired should be opened to slavery. This enraged the South. Sectioanl tensions grew. A compromise was made called the Calhoun Doctrine stating , popular soverignty, US citzens could settle anywhere withj tehir property, inclusive of slaves.

Treaty of Guadalupe Hidalgo (1848)

treaty signed by the U.S. and Mexico that officially ended the Mexican-American War; Mexico had to give up much of its northern territory to the U.S (Mexican Cession); in exchange the U.S. gave Mexico $15 million and said that Mexicans living in the lands of the Mexican Cession would be protected/ Additionally, the USA got California, New Mexico, and Texas.