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Louisiana Purchase
828,800 square miles for USD$15 Million. -
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Lewis and Clark Expedition to Pacific
Expedition had several goals, to establish American presence in east to rival British and be the first to "Discover" the Pacific. -
Missouri Compromise
The Missouri Compromise was an agreement between the pro-slavery and anti-slavery factions in the United States Congress. It prohibited slavery in the former Louisiana Territory north of the parallel 36°30' north except within the boundaries of the proposed state of Missouri. -
Oregon Trail
Originally discovered and used by fur trappers and traders in the fur trade from about 1811 to 1840. Widely publicized by 1843 -
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Texas Revolution
The Texas Revolution or Texas War of Independence was a military conflict between Mexico and Texan settlers. -
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Mexican–American War
The Mexican–American War was an armed conflict between the United States and Mexico from 1846 to 1848 in the wake of the 1845 U.S. annexation of Texas, which Mexico considered part of its territory despite the 1836 Texan Revolution. -
Treaty of Guadalupe Hidalgo
The Treaty of Guadalupe Hidalgo is the peace treaty, dictated by the United States to Mexico that ended the Mexican-American War. 525,000 square miles for USD$ 15 million. -
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California Gold Rush
James W. Marshall at Sutter's Mill, in Coloma, California found gold. This discovery brought 300,000 people to California. -
Gadsden Purchase
The Gadsden Purchase secured 29,670-square-miles of land from Mexico, to be America's final mainland procurement. -
The Kansas–Nebraska Act
The Kansas–Nebraska Act created the territories of Kansas and Nebraska, opened new lands, repealed the Missouri Compromise of 1820, and allowed settlers in those territories to determine if they would allow slavery within their boundaries. Originally used to create opportunities for the Trans-Continental. -
Comstock Lode
The Comstock Lode was the first major U.S. discovery of silver ore, located in Nevada. After the discovery was made public in 1859, prospectors rushed to the area and scrambled to stake their claims. Mining camps soon thrived in the vicinity, which became bustling centers of fabulous wealth. -
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Pony Express
The Pony Express was a fast mail service from St. Joseph, Missouri, to Sacramento, California, from April 3, 1860 to October 1861. -
Homestead Act
The Homestead Act is one of two United States federal laws that gave an applicant freehold title to up to 160 acres of undeveloped federal land west of the Mississippi River. -
Indian Peace Commission
Congress established the Indian Peace Commission to negotiate peace with Plains Indian tribes who were warring with the United States. The commission met in St. Louis, Missouri, on August 6, 1867, where it elected Nathaniel G. Taylor, Commissioner of Indian Affairs, as its president. Commissioners agreed that lasting peace was depended upon separating "hostile" Indians from those regarded as friendly, removing all Indian tribes onto reservations away from the routes of U.S. westward expansion. -
Treaty of Fort Laramie
The Treaty of Fort Laramie was an agreement between the United States and different indian tribes and nations signed in 1868 at Fort Laramie, guaranteeing to the ownership of the Black Hills, and further land and hunting rights in South Dakota, Wyoming, and Montana. The treaty ended Red Cloud's War. -
Transcontinental Railroad
The world's First Transcontinental Railroad was built between 1863 and 1869 to join the eastern and western halves of the United States. Begun just preceding the American Civil War, its construction was considered to be one of the greatest American technological feats of the 19th century. Known as the "Pacific Railroad" when it opened, this served as a vital link for trade, commerce, and travel and opened up vast regions of the North American heartland for settlement. -
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Battle of the Little Bighorn
The Battle of the Little Bighorn, also known as Custer's Last Stand and, by the Native Americans involved, the Battle of the Greasy Grass, was an armed engagement between combined forces of a force of Indian people against the 7th Cavalry Regiment of the United States Army. It occurred on June 25 and June 26, 1876., Montana. -
Battle of Wounded Knee
The Wounded Knee Massacre happened on December 29, 1890, near Wounded Knee Creek on the Indian Reservation in South Dakota, USA. On the day before, a detachment of the U.S. 7th Cavalry Regiment commanded by Major Samuel M. Whitside intercepted Spotted Elk's (Big Foot) band of Indians and escorted them 5 miles westward (8 km) to Wounded Knee Creek where they made camp. -
Turner Thesis
The Frontier Thesis is the argument advanced by historian Frederick Jackson Turner that the origin of the distinctive democratic, aggressive, and innovative features of the American character originated from the American frontier experience.