Who is the closest relative to modern humans?

The correct answer would be a monkey. A lot of people believe that we relate to monkeys the most because of the similar bone structures that we have.

Hope this helps :D

answer: what was the us involvement in ww1? although the u.s. tried to remain neutral when ww1 broke out, it finally joined on april 6, 1917 after declaring war on germany. the reason for america to become involved in ww1 was germany's unrestricted submarine warfare, which had already sunk several american merchant ships.

explanation:

b - those executed came from every social and economic class