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Answer:

Armed conflict between the United States of America and Mexico from 1846 to 1848

It actually ended in 1884 I hope this help you!

Answer:

The Treaty of Guadalupe Hidalgo, signed on February 2, 1848, ended the Mexican-American War in favor of the United States. The war had begun almost two years earlier, in May 1846, over a territorial dispute involving Texas

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