Because the war in Europe was in a lot of Allied countries, for example France. They wanted to focus on the enemies that were at their front door first and posed the most imminent threat over Japan which was on the other side of the globe.
The Answer is C "St. Domingue", hope this helps :)
The answer to the question is D
To punish the colonists for their disobedience
Boggy Depot in current Atoka County, north near Coal County line. Fought in the Choctaw Nation, 1865. Maybe.