By the summer of 1941, Japan's relations with the Western powers had deteriorated so much that Japanese leaders saw no point in delaying plans for military operations in Southeast Asia and the Pacific. Japan's short-term goal was to secure the necessary supplies to complete its conquest of China by occupying the Southeast Asian territories controlled by France, Britain, the United States, and the Netherlands. Japan's long-term plans called for further expansion south to Australia and north from Manchuria into the Soviet Union.
Japanese air and naval attacks on British and United States ba…
