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Cotton Gin
The cotton gin is a device for removing the seeds from cotton fiber. -
XYZ Affair
The XYZ Affair was a political and diplomatic episode in 1797 and 1798. -
Louisana purchase
The Louisiana Purchase (1803) 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. -
Adams-Onis Treaty
The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty. -
Missouri Compromise
The Missouri Compromise was 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. -
Monroe Doctrine
The Monroe Doctrine was a U.S. foreign policy regarding domination of the American continent in 1823. -
Indian Removal Act/Trail of Tears
The Indian Removal Act was passed by Congress on May 28, 1830, during the presidency of Andrew Jackson. -
The Battle of the Alamo
On February 23, 1836, the arrival of General Antonio López de Santa Anna's army outside San Antonio nearly caught them by surprise. Undaunted, the Texians and Tejanos prepared. -
Texas Claims Independence
During the Texas Revolution, a convention of American Texans meets at Washington-on-the-Brazos and declares the independence of Texas from Mexico. -
Trail of Tears
In 1838 and 1839, 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. -
Texas annexed to U.S
The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845–1848. -
Mexican-American War
A war between the U.S. and Mexico spanned the period from spring 1846 to fall 1847. The war was initiated by Mexico and resulted in Mexico's defeat and the loss of approximately half of its national territory in the north. -
Agreement of 49th Parallel
Why, that has to be the American-Canadian border between Lake of the Woods (Minnesota/Manitoba) and Boundary Bay (Washington State/British Columbia), which runs for 1,260 miles along the 49th parallel north. -
Treaty of Guadalupe Hidalgo
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California becomes a state
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Gadsden Purchase
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Kansas-Nebraska Act
