What effect did the emancipation proclamation have on how the civil war progressed? select the two correct responses.

I know A is for sure one, I think C may be the other one

The answers are "A. It decrease the likelihood that European countries would help the Confederacy ." and "D. It gave African-Americans the right to fight in the war."

can we each -wise?

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!