Well, it would probably have to do with the research on our own opinions, so it would be A).
A cash crop was things like cotton. it was produced rapidly and it was valuable. they could make tremendous amounts of money in a short period.
The answer is C) end the importation of enslaved people from Africa.
Hope this is right!
B. The united states began to build up its military and stockpile weapons. Both the US and the USSR participated in whats known as the arms race where the US collected enough atomic bombs to destroy the earth 25 times.