What event led to the MexicanAmerican War?

Mexican  war between the United States and Mexico (April 1846–February 1848) stemming from the United States' annexation of Texas in 1845 and from a dispute over whether taxas

Explanation:

- "a new era of american politics began with jackson's election in 1828, but it also completed a grand social experiment begun by the american revolution. nevertheless, jacksonian democracy represented a provocative blending of the best and worst qualities of american society."

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