Added in 1865 at the end of the civil war, the 13th amendment to the constitution banned

d. promised it other land

yes.

explanation:

because it let the japanese know who had the upper hand in the war.

the answer to your question is c

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves