Answer:
The answer is that they believed that foreigners were more trust worthy and less likely to betray them unlike the conquered areas that would be possible to rise up and rebel against them.
according to a map i am looking at it seems like the south west
https://en.wikipedia.org/wiki/List_of_U.S._states_by_Hispanic_and_Latino_population
b and c
Explanation:
C. The Soviet Union became an ally of the United States and Great Britain during World War II