The best answer would be: Ethnicity
The United States contributed to the allied victory by doing all of the above.
- The United States provided large numbers of reinforcements.
- They helped stop the last major German offensive.
- They boosted the morale of Allied troops.
During the world war the United States was one of the Allied countries that fought against the Germans, the Italians and the Japanese people.
The United States decided to join the war after the German side decided to sink one of it ships. That is the Lusitania.
The attacks on US property and the fact that the Germans were trying to meddle into the affairs of the US was what led the US into the war.
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I think it’s B but idl forsure
During WWI about 21 million people were wounded.
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