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On April 30, 1803, U.S. representatives in Paris agreed to pay $15 million for about 828,000 square miles of land

This deal, known as the Louisiana Purchase, nearly doubled the size of the United States

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In the mid-19th century, the Oregon Trail was the main pathway for American emigrants searching for new lands and opportunity on the frontier

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reached Garden Grove on April 24, 1846. This was the halfway point across Iowa and was one of several semipermanent camps set up for the use of later immigrants.

Brigham Young arrived on the banks of the Missouri River at 1859

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The Native Americans were removed from their lands during westward expansion'
The Homestead Act provided free land to many people who wanted to move westward.