Answer:
The United States had lost many planes and ships during the attack on Pearl Harbor.
Step-by-step explanation:
Pearl Harbor was the base of the United States navy in Honolulu, which is a Territory of Hawaii. Japanese army made a sudden and surprised attack on the Pearl Harbor on December 7, 1941 and destroyed many of the United States' navies ships and fleets so that US navy cannot interfere in the Southeast Asia with its planned military action against the overseas territories of the UK, USA and the Netherlands. Thus in the attack on Pearl Harbor, US lost many planes and ships.