How the Border Between the United States and Mexico Was Established

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Images

Three maps display the shifting borders between the United States and Mexico from 1835 to 1848. The 1835 map shows a large Mexico and Territories region and the United States and Territories. The 1844 map marks the Republic of Texas, a disputed area between Texas and Mexico, and the remaining Mexico and Territories. The 1848 map, after the Mexican-American War, shows the United States expanded to

How the Border Between the United States and Mexico Was Established: Media

The boundary between the United States and Mexico was anything but a foregone conclusion

Images

Three maps display the shifting borders between the United States and Mexico from 1835 to 1848. The 1835 map shows a large Mexico and Territories region and the United States and Territories. The 1844 map marks the Republic of Texas, a disputed area between Texas and Mexico, and the remaining Mexico and Territories. The 1848 map, after the Mexican-American War, shows the United States expanded to

Changes to the United States–Mexico border from 1835 to 1848

Encyclopædia Britannica, Inc./Kenny Chmielewski