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Period: to
Westward Expansion
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Northwest Ordinance of 1787
The ordinance created the Northwest Territory, the first organized territory of the United States, from lands beyond the Appalachian Mountains, between British North America and the Great Lakes to the north and the Ohio River to the south. -
Louisiana Purchase
was 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. -
Lewis and Clark Expedition
The Corps of Discovery departs from Camp Dubois at 4 P.M., marking the beginning of the voyage to the Pacific coast -
War of 1812 (in connection to westward expansion)
was a military conflict, fought between the United States of America and the United Kingdom, its North American colonies, and its North American Indian allies -
Erie Canal
The Erie Canal is a canal in New York that is part of the east-west, cross-state route of the New York State Canal System. Originally it ran about 363 miles from Albany, on the Hudson River to Buffalo, at Lake Erie. -
Purchase of Florida from Spain
A treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined the boundary between the U.S. and New Spain. -
Mormon Movement
The Latter Day Saint movement (also called the LDS movement or LDS restorationist movement) is the collection of independent church groups that trace their origins to a Christian primitivist movement founded by Joseph Smith in the late 1820s. -
Indian Removal Act
The law authorized the president to negotiate with southern Indian tribes for their removal to federal territory west of the Mississippi River in exchange for their ancestral homelands. -
Trail of Tears
As part of Andrew Jackson's Indian removal policy, the Cherokee nation was forced to give up its lands east of the Mississippi River and to migrate to an area in present-day Oklahoma. -
Annexation fo Texas
the 1845 incorporation of the Republic of Texas into the United States of America, which was admitted to the Union as the 28th state. -
Oregon Territory
the Oregon boundary dispute between the U.S. and Britain was settled with the signing of the Oregon Treaty. The British gained sole possession of the land north of the 49th parallel and all of Vancouver Island, with the United States receiving the territory south of that line. -
California Gold Rush
Gold was found by James W. Marshall at Sutter's Mill in Coloma, California. -
Treaty of Guadalupe Hidalgo
Officially entitled the Treaty of Peace, Friendship, Limits and Settlement between the United States of America and the Mexican Republic -
Gadsden Purchase
A 29,640-square-mile region of present-day southern Arizona and southwestern New Mexico that was purchased by the United States in a treaty -
Missouri Compromise
An effort by Congress to defuse the sectional and political rivalries triggered by the request of Missouri late in 1819 for admission as a state in which slavery would be permitted -
Kansas-Nebraska Act
It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders. The Act served to repeal the Missouri Compromise of 1820 which prohibited slavery north of latitude 36°30´. -
Homestead Act
encouraged Western migration by providing settlers 160 acres of public land. In exchange, homesteaders paid a small filing fee and were required to complete five years of continuous residence before receiving ownership of the land. -
The Dawes Act
Authorized the President of the United States to survey American Indian tribal land and divide it into allotments for individual Indians.
