Expansion into the West:
Oregon Trail: In the 1840s and 1850s, the Oregon Trail became a major route for pioneers migrating westward in search of fertile lands and economic opportunities. The trail, spanning over 2,000 miles, stretched from Missouri to the Oregon Territory and facilitated the settlement of the Pacific Northwest.
California Gold Rush: In 1848, the discovery of gold at Sutter's Mill in California triggered the California Gold Rush. Thousands of individuals, known as "forty-niners," flocked to California in search of wealth, leading to a rapid influx of settlers and the development of cities such as San Francisco.
Transcontinental Railroad: The construction of the Transcontinental Railroad, completed in 1869, connected the eastern and western coasts of the United States. The railroad facilitated transportation, trade, and communication, further accelerating westward expansion and linking the previously isolated western territories to the rest of the country.
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