Why was the United states unwilling to let Japan expand into Southeast Asia?

Answer 1

Japan's empire was expanded by military force and by a singular brutality that some people cannot understand even today. That got the attention of more than a few people and caused the U.S. to "oppose" the expansion. But let's back up. Most of us are familiar with the Japanese attack on Pearl Harbor in 1941. But what was Japan doing before that? Japan had been expanding its power base for almost 50 years prior to the suprise attack on the U.S. Naval base in Hawaii. The Japanese military acted against China, defeating them in 1895 to take Korea from them. Russia was next, and the eastern portion of Asia above Korea fell in 1905 when the Japanese defeated Russian naval forces. Korea was annexed and became a Japanese colony in 1910. All this occurred under the weight of Japanese military force. World War 1 came and went, and little was done to change things in this part of the world. Japan sided with the Allied powers and was still running the western Pacific area. There was opposition through all this time, but it didn't begin to affect any real change to reduce the grip of the Japanese. Hints of democracy emerged in the 1920's, but the depression and the enconomic hardships were allowing military leaders to increase their influence over the country and things slipped. Hitler came to power in the 1930's and Japan consolidated its influence by invading China in 1937 to take even more control of the region. The Japanese had been and continued to build up their military forces. Hitler cut loose in Europe. Japan aligned themselves with him. Europe fell completely to German control (save for England). The Japanese decided to attack Pearl Harbor in a tactical proactive military strike. The U.S. entered World War 2, which had been grinding on for some time already. We had finally been forced to step up and check the Japanese, which we did. None of this brought back the millions of Chinese, Russian and Korean people the Japanese killed building up their empire. Need links? You got 'em.

Answer 2

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Answer 3

The area contained Valuable Natural Resources.

Answer 4

Because we wanted southeast Asia's resourses for ourselves.

Answer 5

The US Government was concerned about violence in Asia partly because of several American bases that would be threatened.