I'm pretty sure it's C, because America didn't want to get involved in the war until Japan attacked Peal Harbor.
Answer:
On November 30, 1863, Indiana Governor Oliver P. Morton was authorized by letter from the U.S. War Department to raise one regiment of infantry composed of colored men.
Explanation:
He had thought North America was India, as well as thought Native Americans were Indians.
I’m pretty sure that the answer is a