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English Colonists vs. Great Britain
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United States vs. Great Britain
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Union vs. Confederacy
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Triple Alliance: Germany, Italy, and Austria-Hungary vs. Triple Entente: Britain, France, and Russia. The United States joined on the side of the Triple Entente in 1917.
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Axis Powers: Germany, Italy, Japan vs. Major Allied Powers: United States, Great Britain, France, and Russia
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United States and Allies vs. Soviet Union and Allies
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United States and South Korea vs. North Korea and Communist China
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United States and South Vietnam vs. North Vietnam
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United States and Coalition Forces vs. the Taliban in Afghanistan
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United States and Coalition Forces vs. Iraq