Before entering World War II, Japan had many other problems to deal with. It had begun to rely more and more for raw materials (especially oil) from outside sources because their land was so lacking in these. Despite these difficulties, Japan began to build a successful empire with a solid industrial foundation and a good army and navy. The military became highly involved in the government, and this began to get them into trouble. In the early 1930's, the Japanese Army had many small, isolated battles with the Chinese in Manchuria. The Japanese Army prevailed in the series of battles, and Manchuria became a part of the Japanese political system. In 1937, the conflicts began again with the Chinese in the area near Beijing's Marco Polo Bridge. Whether or not these conflicts began inadvertently or whether they were planned is unknown. These led to a full-scale war known as the second Sino-Japanese War. This was one of the bloodiest wars in world history and continued until the final defeat of Japan in 1945.…