Place the events in chronological order.
japanese aircraft bomb and torpedo american ships in a surprise attack on pearl harbor on december 7, 1941.
japanese forces move into indochina. the u. s. state department warns all american citizens in the area to leave the region.
a japanese pilot bombs and sinks a u. s. gunboat, panay, on the yangtze river.
the united states places an embargo on the shipping of aviation fuel, scrap iron, and steel to japan.
the japanese government demands the united states must stop all aid to china and not interfere with japanese expansion.
president roosevelt freezes all japanese assets in the united states, including all petroleum products, and orders general douglas macarthur to prepare defenses for the philippines.
congress officially declares war on japan.
the united states responds with its own statement of opposition to japanese policies.