What was the result of US territorial gains after the Mexican American war? *

Explanation:

Under the Treaty of Guadalupe Hidalgo, which settled the Mexican-American War, the United States gained more than 500,000 square miles (1,300,000 square km) of land, expanding U.S. territory by about one-third. ... Read more about the Treaty of Guadalupe Hidalgo.

Combatants: United States, Mexico

Location: United States

10 states did

~courtney

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.