Please help I put a lot of points and please don’t just put whatever for the points. This is important please

Explain the importance of president harry truman's order to integrate the u.s. military and the federal government.

Explain how social darwinism impact imperialism.

In ohio in 1872, the cleveland massacre was a)a violent labor dispute at standard oil refineries in cleveland. b)a takeover by standard oil of the refineries in cleveland. c)an attempt to stop standard oil from becoming a monopoly. d)a failed attempt by standard oil to take over other refineries.