Answer:
He protested against segregation and called it "Operation Equality", so it's not A or C. I think the answer is B, because he was calling on political action. :)
Answer:
A. It allowed Maine to enter the Union as a free state.
Explanation:
In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state.