I think the answer would be the Compromise of 1850 that led to sectional tensions and the formation of a new political party. It was a package of five separate bills passed by the United States Congress in September 1850, which defused a four-year political confrontation between slave and free states regarding the status of territories acquired.
Answer:
only some
Explanation:
most of them where slaves because they have came from other places
Answer:1 year and 23 days the person who proposed the 15th amendment is President Lyndon B. Johnson
Explanation: Hope this helped
