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United States Expansionism: 1790s- 1860s The major American aspiration during the 1790s through the 1860s was westward expansion. Americans looked to the western lands as an opportunity for large amounts of free land, for growth of industry, and manifest destiny. ....

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.... moving the Americans out of the Indian Territory, the government minimized the size of Indian Territory by half. Now the Northern half was open for white settlement. As for the western Indians, such as the Sioux, Cheyenne, and Arapahos, American settlers went around them to settle the California and Oregon. The Americans decided to stay away from further conflict with the native Americans because they knew they were unable to move them away from their land. Americans continued their western movement and put forth their domination over the Indians. The first step the United States took in claiming this new land for them was by establishing a land s ....