Answer:
a. U.S.A
Explanation:
Douglas MacArthur (1880-1964) was an American general who commanded the Southwest Pacific in World War II (1939-1945), oversaw the successful Allied occupation of postwar Japan and led United Nations forces in the Korean War (1950-1953).
Major Pacific Battles. In December 1941 Japan attacked the United States at Pearl Harbor, Hawai'i, causing the U.S. to enter World War II. Over two years would pass until the Allies reached their great turning point in the Pacific War: the defeat of the Japanese at Guadalcanal in February .
Japan's surprise attack on Pearl Harbor would drive the United States out of isolation and into World War II, a conflict that would end with Japan's surrender after the devastating nuclear bombing of Hiroshima and Nagasaki in August 1945. At first, however, the Pearl Harbor attack looked like a success for Japan.
