War is generally defined as violent conflict between states or nations.
5 - 8
Civics, Social Studies
A United States Army 3rd Infantry Division M1/A1 Abrahms tank during the 2003 invasion of Iraq. While the use of force was authorized by Congress, like many U.S. military conflicts, war was not declared.
Photograph by Scott Nelson/Getty Images
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May 20, 2022
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