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Westward Expansion Timeline
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Cotton Gin invented
Eli Whitney march 14, 1794 -
XYZ Affair
The XYZ Affair was a political and diplomatic episode in 1797 and 1798, early in the administration of John Adams, involving a confrontation between the United States and Republican France that led to an undeclared war called the Quasi-War. -
Louisiana Purchase
President Thomas Jefferson commissioned the Corps of Discovery Expedition, led by Meriwether Lewis and William Clark -
Agreement of 49th Parallel Treaty
Overview: In 1830 Congress, urged on by President Andrew Jackson, passed the Indian Removal Act which gave the federal government the power to relocate any Native Americans in the east to territory that was west of the Mississippi River. -
Adams-Onis Treaty
The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty, was 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. -
Missouri Compromise
In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state. ... In 1854, the Missouri Compromise was repealed by the Kansas-Nebraska Act. -
The Texas Declaration of Independence
The Texas Declaration of Independence was the formal declaration of independence of the Republic of Texas from Mexico in the Texas Revolution. It was adopted at the Convention of 1836 at Washington-on-the-Brazos on March 2, 1836, and formally signed the following day after mistakes were noted in the text. -
Monroe Doctrine
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs. -
Trail of Tears
Trail of Tears definition. The route along which the United States government forced several tribes of Native Americans, including the Cherokees, Seminoles, Chickasaws, Choctaws, and Creeks, to migrate to reservations west of the Mississippi River in the 1820s, 1830s, and 1840s. -
Indian Removal Act/Trail of Tears
Overview: In 1830 Congress, urged on by President Andrew Jackson, passed the Indian Removal Act which gave the federal government the power to relocate any Native Americans in the east to territory that was west of the Mississippi River. -
Texas annexed to U.S.a
The Texas annexation was the 1845 incorporation of the Republic of Texas into the United States of America, which was admitted to the Union as the 28th state on December 29, 1845. The Republic of Texas declared independence from the Republic of Mexico on March 2, 1836. -
Kansas-Nebraska Act
The Kansas-Nebraska Act was passed by the U.S. Congress on May 30, 1854. 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´. -
The Battle of the Alamo
The Battle of the Alamo was a pivotal event in the Texas Revolution. Following a 13-day siege, Mexican troops under President General Antonio Lópe. -
Treaty of Guadalupe Hidalgo
Treaty of Guadalupe Hidalgo officially entitled the Treaty of Peace, Friendship, Limits and Settlement between the United States. -
The Mexican–American War
The Mexican–American War, also known as the Mexican War, the U.S.–Mexican War or the Invasion of Mexico, was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848. -
California becomes a state
California Admission Day September 9, 1850. ... In 1849, Californians sought statehood and, after heated debate in the U.S. Congress arising out of the slavery issue, California entered the Union as a free, nonslavery state by the Compromise of 1850. California became the 31st state on September 9, 1850. -
Gadsden Purchase
The Gadsden Purchase is a 29,670-square-mile region of present-day southern Arizona and southwestern New Mexico that the United States purchased via a treaty signed on December 30, 1853, by James Gadsden, U.S. ambassador to Mexico at that time.
