 Complete the following phrase:  The Japanese were incensed by the embargo and Japanese leaders became determined to attack the United States unless it lifted the embargo. The Roosevelt administration was unwilling to reverse the policy, and Secretary of State Hull blocked a potential summit between Roosevelt and Prime Minister Fumimaro Konoe. After diplomatic efforts to end the embargo failed, the Privy Council of Japan authorized a strike against the United States. The Japanese believed that the destruction of the United States Asiatic Fleet stationed in the Philippines and the United States Pacific Fleet stationed at Pearl Harbor in Hawaii was vital to the conquest of Southeast Asia. On the morning of December 7, 1941, the Japanese struck the U.S. naval base at Pearl Harbor with a surprise attack, knocking out the main American battleship fleet and killing 2,403 American servicemen and civilians. At the same time, separate Japanese task forces 