In 1951, general douglas macarthur was removed from his command of united nations forces in korea by president truman. macarthur was removed because he wanted to expand the war and was not following the directions of president truman. truman’s action may have prevented a long and costly war against china, though it resulted in a divided korea. truman’s actions are based in article ii of the constitution, which defines the rights of the executive branch of government, including a) establishing military tribunals. b) introducing new legislation to congress. c) holding civilian control of the military. d) declaring war without congressional approval.