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Mongolia, finally announced its support for the Allies on August 9, 1945. This was after the use of atomic weapons in Japan. There were many neutral nations that joined the Allies as the war was coming to a close. For a complete list of participants see;

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America was!!!!!!!!!!

America was!!!!!!!!!!

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15y ago

the united states was the last main force to enter the first world war, during the last year of the war.

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Q: What was the last country to enter World War 1?
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