What was the significance of American expansionism in the 19th century? 🔊
American expansionism in the 19th century played a crucial role in shaping the United States into a continental power. Motivated by the belief in Manifest Destiny, the U.S. acquired vast territories through treaties and war, including the annexation of Texas, the Oregon Trail expansion, and the Mexican-American War. This expansion facilitated the spread of democracy and capitalism but also resulted in the displacement and suffering of Native American populations. Furthermore, it exacerbated tensions over slavery, contributing to sectional conflicts that eventually led to the Civil War. In essence, American expansionism significantly influenced the nation's political, social, and economic landscape.


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