D, seeking democratic reform and nationalism. the movement began in italy with a local revolution and eventually extended throughout all of europe with the exception of russia, spain, and scandanvia
battle of antietam i think
the right answer A. farming improved because Native Americans had horses to help plow two fields
Nelson Mandela helped end apartheid, so A is incorrect. B would be right, but the white population is the minority in South Africa, not the majority. It ended in 1991, so C is not right. This leaves us with D, the correct answer. I hope this helps!