Roosevelt 's Impact On The World War II Essay

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Roosevelt had two opportunities to involve America in World War II: Japan was at war with China, and Germany was at war with Great Britain, France and other countries. Both war zones presented plenty of opportunities to involve the American government in the war, and Roosevelt was quick to seize upon the opportunities presented.

His first opportunity came from the war in the Pacific. It was in August, 1940, that the United States broke the Japanese "purple" war-time code. This gave the American government the ability to read and understand all of their recoverable war-time messages. Machines were manufactured to de-code Japan 's messages, and they were sent all over the world, but none was sent to Pearl Harbor.

Roosevelt 's public efforts to involve America, while ostensibly remaining neutral, started in August, 1940, when the National Guard was voted into Federal service for one year. This was followed in September by the Selective Service Act, also for one year 's duration.

But the key to America 's early involvement occurred on September 28, 1940, when Japan, Germany and Italy signed the Tripartite Treaty. This treaty required that any of the three nations had to respond by declaring war should any one of the other three be attacked by any of the Allied nations. This meant that should Japan attack the United States, and the United States responded by declaring war against Japan, it would automatically be at war with the other two nations, Germany and Italy.

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