Answer:
Option: C. It prohibited slavery in most of the former Louisiana territory except for Missouri.
Step-by-step explanation:
The Missouri Compromise of 1820 deal with the issue of slavery in America. The compromise declared Missouri as a slave state and Maine State. The Missouri Compromise established to maintain the stability of power in the Senate by balancing the powers in the South and the northern states. Missouri Compromise became the first compromise in America between the states opposing slavery and those favoring slavery.