Which of the Following Is a True Statement About Carpetbaggers

Which of the following is a true statement about carpetbaggers?

A) They had mostly been nonslaveholding poor white farmers who worked and lived in the hill country.
B) Many of them had come to the South with a desire to improve the lot of America's black people.
C) They were southern-born white Republicans.
D) Most of them were old officials who moved north after the Confederacy's defeat.
E) They were represented by elite northerners, including Confederate generals, who joined the Republican Party.