Western Expansion, Manifest Destiny, and the Mexican-American War

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What are three ways the American West benefited from the Civil War post-Reconstruction?

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Three of the many significant aspects of Civil War practices that had increased effects during Reconstruction were the Homestead Act, Native American treaties, and the building of the Transcontinental Railroad.

The 1862 Homestead Act authorized settlers to claim and live on farms in the western territories. It greatly increased westward migration after the war.

While treaties had been signed earlier, these agreements with indigenous peoples became widespread in the post-war years. This increased the displacement of indigenous inhabitants onto reservations, thereby leaving more land open to be claimed.

Railroad construction advanced in tandem on the East and West Coasts. During the war it accelerated in order to move troops and weaponry. The 1869 completion of the transcontinental linkage with the "golden spike" in Utah greatly increased coast-to-coast travel. It could make a city on the tracks, such as Chicago, into a metropolis.

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