How did european colonial powers limit economic opportunities for africans in the early 20th century? a. by requiring african workers to organize into large labor unions b. by forbidding africans from using harvesting tools like axes and machetes. c. by enslaving african men who worked on farms and in mines. d. by preventing african farmers from growing certain crops themselves.

The correct answer is D.

European colonial powers limited economic opportunities for Africans in the early 20th century by preventing African farmers from growing certain crops themselves. European settlers and inverstors did everything they could to gain control over land and make Africans sell their labour to European farmers.

Correct answer is D for apex users

the answers are 1 and 4

c, to compete