Answer:
C. Slaves could not be transported into the state of Missouri.
E. New York and Pennsylvania
Explanation:
1. The law that Missouri State state legislature enact that threatened to derail its admittance to the Union and the entire Missouri Compromise was slaves could not be transported into the state of Missouri.
2. At the time of Missouri's entrance into the United States, New York and Pennsylvania had the highest percentage of enslaved men and women living within their borders.
B - Advocated in favor of slavery.
They kept wages low and labor unions from being successful.
