What was the main reason why many African Americans became sharecroppers after the Civil War?
They liked farming more than other work.
They knew it would help them buy land.
They had little money and few options.
They were required to by new laws.

A sharecropper, by definition is someone who farms land owned by someone else. Rarely, if ever did the landowner give the land away, but allowed the sharecropper to use the land and in return the sharecropper would pay the landowner a percentage of what he made from the crops he raised.

The correct answer is they had little money and few options.

Explanation:

C) They had little money and few options.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.