Who was the first man to go into space?

Was the us justified in using the atomic bomb on hiroshima and nagasaki? why or why not?

According to george washington, what was one reason a president should veto a bill?

By the late 1930s, how were u.s. officials beginning to view japanese policies of expansion? a. they attempted to join forces with japan so as to increase u.s. territory. b. they warned them to stop expansionist actions or face potential u.s. intervention. c. they sent representatives to japan to work out territorial rights in a diplomatic fashion. d. they became fearful of their military power