Which accurately describes the importance of cotton to US exports in 1860?

Question

Responses

Cotton made up 25 percent of all US exports in 1860.Cotton made up 25 percent of all US exports in 1860.

Cotton was the only profitable US export in 1860.Cotton was the only profitable US export in 1860.

Cotton made up 60 percent of all US exports in 1860.Cotton made up 60 percent of all US exports in 1860.

Cotton was the least profitable of all American exports in 1860.

Answer 1

Cotton made up 60 percent of all US exports in 1860.