What did the united States do to protest Japan's action? Allowed the president to lend or lease arms and supplies to "any country who defense was vital to the U.S." What were the Axis powers? ... Japan, Germany, Italy; if the U.S declared war on any of the Axis powers, it would have to fight a two ocean war. read more
Permitted nations to buy U.S. armaments as long as they paid cash and carried the goods away in their own ships. read more
Since the category is Pearl Harbor, I'll assume you mean the attack on Pearl Harbor. We declared war on Japan by a joint resolution of Congress (Dec. 8th, 1941). read more