7, 1941 - a date which will live in infamy - the United States of America was suddenly and deliberately attacked by naval and air forces of the Empire of Japan." A speech given by President D. Roosevelt during the 1940's, after the chaotic bombing on Pearl Harbor on December 7, 1941, stated the events taken place on that tragic day. An empire that they thought was at peace attacked the United States. An empire that they thought was at peace bombed the United States. Due to the invasion by the Japanese on Pearl Harbor in the 1940's, the United States entered the war for the necessity to preserve all that country represents.
The affairs of the Japanese, during the 1930's, were an important role leading to the destruction of Pearl Harbor on December 7, 1941, which brought the United States into the Second World War. "The road to war between Japan and the United States began in the 1930's when differences over China drove the two nations apart. In 1931 Japan conquered Manchuria, which until then had been part of China. In 1937 Japan began a long and ultimately unsuccessful campaign to conquer the rest of China." The United States, who had not played an active part in the war, was alarmed with these moves from the Japanese because of the important political and economic interests in East Asia. The United States increased its military and financial aid to China, thus embarking on a program of strengthening its military power in the Pacific, and cut off the shipment of oil and raw materials to Japan. Even though the United States claimed to be neutral leaving them on no particular side of the war, they were actually starting to lean towards China to protect itself from what could happen if the Japanese took over China and ruined the politics and interests in Easters Asia. "Because the Japanese were very poor in natural resources, its governmental viewed these steps, especially the embargo on oil as a threat to the nation's survival.