Explanation:
the 2nd one. He was opposed to slavery and didn't want it to extend into any more territories
many African Americans wanted freedom from slavery. the civil war broke out between southern and northern United states. northern states won and amendments were passed that allowed slaves to be free however restrictions to voting for African Americans as well as segregation began to occur.
Answer: I think the answer is D. The announcement of the Emancipation Proclamation. Hope this helps!