Letter B is wrong I took the unit test on E-2020 the correct answer to the question is A.
Answer:
British colonies and us U.S. citezens
It was the S.P.Am war
A.K.A Spanish American war
The French game up all their territories in mainland in North America, so the british got more land.
The Emancipation Proclamation was signed on January 1 1863 it shaped the war because it changed the legal status of slaves in the south to be free