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Westward Expantion
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Cotton Gin invented
In 1794, U.S.-born inventor Eli Whitney (1765-1825) patented the cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber. By the mid-19th century, cotton had become America’s leading export. -
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. -
Lousiana Purchase
With the Louisiana Purchase in 1803, the United States purchased approximately 828,000,000 square miles of territory from France, thereby doubling the size of the young republic. What was known as Louisiana Territory stretched from the Mississippi River in the east to the Rocky Mountains in the west and from the Gulf of Mexico in the south to the Canadian border in the north. Part or all of 15 states were eventually created from the land deal, which is considered one of the most important achiev -
Adams-Onis treaty
The AdamsOnís Treaty sometimes referred to as The Florida Treaty was signed in Washington on February 22, 1819 and ratified by Spain October 24, 1820 and entered into force February 22, 1821. It terminated April 14,1903 by a treaty of July 3, 1902. The treaty was named for John Quincy Adams of the United States and Louis de Onís of Spain and renounced any claim of the United States to Texas. It fixed the western boundary of the Louisiana Purchase as beginning at the mouth of the Sabine River -
Missouri Compromise
In the years leading up to the Missouri Compromise of 1820, tensions began to rise between pro-slavery and anti-slavery factions within the U.S. Congress and across the country. They reached a boiling point after Missouri’s 1819 request for admission to the Union as a slave state, which threatened to upset the delicate balance between slave states and free states. To keep the peace, Congress orchestrated a two-part compromise, granting Missouri’s request but also admitting Maine as a free state. -
Monroe Doctrine
On December 2, 1823, President James Monroe used his annual message to Congress for a bold assertion: ‘The American continents … are henceforth not to be considered as subjects for future colonization by any European powers.’ Along with such other statements as George Washington’s Farewell Address and John Hay’s Open Door notes regarding China, this ‘Monroe Doctrine’ became a cornerstone of American foreign policy. Secretary of State John Quincy Adams had played the most important role in develo -
Indian removal act
Early in the 19th century, while the rapidly-growing United States expanded into the lower South, white settlers faced what they considered an obstacle. This area was home to the Cherokee, Creek, Choctaw, Chicasaw and Seminole nations. These Indian nations, in the view of the settlers and many other white Americans, were standing in the way of progress. Eager for land to raise cotton, the settlers pressured the federal government to acquire Indian territory. The U.S. acquired more land in 1818 w -
The battle of Alamo
In December 1835, during Texas’ war for independence from Mexico, a group of Texan volunteer soldiers occupied the Alamo, a former Franciscan mission located near the present-day city of San Antonio. On February 23, 1836, a Mexican force numbering in the thousands and led by General Antonio Lopez de Santa Anna began a siege of the fort. Though vastly outnumbered, the Alamo’s 200 defenders–commanded by James Bowie and William Travis and including the famed frontiersman Davy Crockett–held out cour -
Texas claims indipendence
On March 2, 1836, Texas formally declared its independence from Mexico. The Texas Declaration of Independence was signed at Washington-on-the-Brazos, now commonly referred to as the “birthplace of Texas.” Similar to the United States Declaration of Independence, this document focused on the rights of citizens to “life” and “liberty” but with an emphasis on the “property of the citizen.” -
Trail of Tears
At the beginning of the 1830s, nearly 125,000 Native Americans lived on millions of acres of land in Georgia, Tennessee, Alabama, North Carolina and Florida–land their ancestors had occupied and cultivated for generations. By the end of the decade, very few natives remained anywhere in the southeastern United States. Working on behalf of white settlers who wanted to grow cotton on the Indians’ land, the federal government forced them to leave their homelands and walk thousands of miles to a spec -
Texas annexed to U.S.
Following the 16th century conquests of Hernando Cortez, Spanish forces extended their influence northward into what is the present-day United States. This expantion established a Spanish (and later Mexican) claim to much of the southwestern part of the United States and California. Increasing numbers of American settlers filled the region north of the Rio Grande, particularly in the 1820s and 1830s. This resulted in a successful drive for Texas independence and a push for annexation that soon -
Mexican-American war
- Adams-Onis Treaty- The Mexican-American War (1846-1848) marked the first U.S. armed conflict chiefly fought on foreign soil. It pitted a politically divided and militarily unprepared Mexico against the expansionist-minded administration of U.S. President James K. Polk, who believed the United States had a “manifest destiny” to spread across the continent to the Pacific Ocean. A border skirmish along the Rio Grande started off the fighting and was followed by a series of U.S. victories. When
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Agreement of 49th Parallel
This agreement set the boundary between the United States and Canada at the 49th parallel west of the Rocky Mountains, veering around Vancouver Island and then proceeding through the Strait of San Juan de Fuca. The Oregon Treaty settled the dispute between the United States and Great Britain over the area in Oregon located between the Columbia River and the 49th parallel. In 1818, both countries had agreed to a joint occupation of Oregon, and this agreement had been renewe -
Treaty of Guadalupe Hidalgo
The Treaty of Guadalupe Hidalgo, signed on February 2, 1848, ended the Mexican-American War in favor of the United States. The war had begun almost two years earlier, in May 1846, over a territorial dispute involving Texas. The treaty added an additional 525,000 square miles to United States territory, including the including the land that makes up all or parts of present-day Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming. Mexico also gave up all claims to Texas and recogniz -
California becomes a state
In February of 1848, Mexico and the United States signed a treaty which ended the Mexican War and yielded a vast portion of the Southwest, including present day California, to the United States. Several days earlier, January 24, 1848, gold had been discovered on the American River near Sacramento, and the ensuing gold rush hastened California’s admittance to the Union. With the Gold Rush came a huge increase in population and a pressing need for civil government. (sept. 9 1850) -
Kansas-Nebraska Act
The Kansas-Nebrask Act was an 1854 bill that mandated “popular sovereignty”–allowing settlers of a territory to decide whether slavery would be allowed within a new state’s borders. Proposed by Stephen A. Douglas–Abraham Lincoln’s opponent in the influential Lincoln-Douglas debates–the bill overturned the Missouri Compromise’s use of latitude as the boundary between slave and free territory. The conflicts that arose between pro-slavery and anti-slavery settlers in the aftermath of the act’s pass -
Gadsden Purchase
The Gadsden Purchase, or Treaty, was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million for a 29,670 square mile portion of Mexico that later became part of Arizona and New Mexico. Gadsden’s Purchase provided the land necessary for a southern transcontinental railroad and attempted to resolve conflicts that lingered after the Mexican-American War.
