When north korea invaded south korea in 1950, congress declared war before president truman could formally request it. president truman asked for a declaration of war from congress and received one. president truman asked for a declaration of war and was rebuffed by congress. president truman sent american troops to korea without asking for a declaration of war. president truman did not immediately send american troops to korea because the supreme court justices ruled that it would be an unconstitutional use of presidential power?