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American explorer and frontiersman Daniel Boone blazed a trail to the far west though the Cumberland Gap, thereby providing access to the frontier.
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Eli Whitney patented the cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber.
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A land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.
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When Thomas Jefferson dispatched Lewis and Clark to find a water route across North America and explore the uncharted West.
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From about 1811-1840 the Oregon Trail was laid down by traders and fur trappers. It could only be traveled by horseback or on foot. By the year 1836, the first of the migrant train of wagons was put together. It started in Independence, Missouri and traveled a cleared trail that reached to Fort Hall, Idaho.
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The United States took on the greatest naval power in the world, Great Britain, in a conflict that would have an immense impact on the young country’s future.
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The Texas Revolution began when colonists in the Mexican province of Texas rebelled against the increasingly centralist Mexican government.
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Marcus Whitman was an American physician and missionary in the Oregon Country. Along with his wife Narcissa, he started a mission to the Cayuse in what is now southeastern Washington state in 1836.
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The indians were driven from their own territoyr
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The attitude prevalent during the 19th century period of American expansion that the United States not only could, but was destined to, stretch from coast to coast.
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The Donner Party (sometimes called the Donner-Reed Party) was a group of American pioneers led by George Donner and James F. Reed who set out for California in a wagon train. Delayed by a series of mishaps and mistakes, they spent the winter of 1846–47 snowbound in the Sierra Nevada.
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The war between U.S. and Mexico was initiated by the United States and resulted in Mexico's defeat and the loss of approximately half of its national territory in the north.
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A period in American History which began when gold was found by James W. Marshall at Sutter's Mill in Coloma, California.
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John Charles Frémont or Fremont was an American military officer, explorer, and politician who became the first candidate of the anti-slavery Republican Party for the office of President of the United States.
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Fought near the Little Bighorn River in Montana Territory, pitted federal troops led by Lieutenant Colonel George Armstrong Custer (1839-76) against a band of Lakota Sioux and Cheyenne warriors.
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The Wounded Knee Massacre occurred on December 29, 1890, near Wounded Knee Creek on the Lakota Pine Ridge Indian Reservation in the U.S. state of South Dakota.