American Exports a. U.S. requests that other nations agree that when they do take over territory that no nation will interfere in the trading rights of any other nation. That the favorable trading status that U.S. had established with Chinese not be altered once a territory taken over by a foreign power. And for next several years thrust of American policy in Asia is to maintain Open Door. And it is this that ultimately brings us into World War II 1. Japan squeezes Europeans out of Asia a. Effort of European powers to subdivide China fails.
Main power taking control is Japan.
By 1920s and 1930s is busily engaged trying to conquer China, or at least populace region along coast. Japanese Aggression a. War is disaster for Japanese, not helped by fact that U.S. supports Chinese efforts to resist Japanese domination, to point of imposing an oil embargo on Japan to strangle its war machine. Pearl Harbor brings U.S. into W. W. II a. D. Open Door thrust of U.S. foreign policy in 20th Century 1. I and II in lectures that follow.