 Complete the following phrase:  In mid-1940, President Franklin D. Roosevelt moved the Pacific Fleet from San Diego to Hawaii. He also ordered a military buildup in the Philippines, taking both actions in the hope of discouraging Japanese aggression in the Far East. Because the Japanese high command was mistakenly certain any attack on the United Kingdoms Southeast Asian colonies, including Singapore, would bring the U.S. into the war, a devastating preventive strike appeared to be the only way to prevent American naval interference. An 