American Old West: On the Sonoita River in present-day southern Arizona, the United States Army establishes Fort Buchanan in order to help control new land acquired in the Gadsden Purchase.
The Gadsden Purchase (Spanish: la Venta de La Mesilla "The Sale of La Mesilla") is a 29,670-square-mile (76,800 km2) region of present-day southern Arizona and southwestern New Mexico that the United States acquired from Mexico by the Treaty of Mesilla, which took effect on June 8, 1854. The purchase included lands south of the Gila River and west of the Rio Grande where the U.S. wanted to build a transcontinental railroad along a deep southern route, which the Southern Pacific Railroad later completed in 18811883. The purchase also aimed to resolve other border issues.
The first draft was signed on December 30, 1853, by James Gadsden, U.S. ambassador to Mexico, and by Antonio Lpez de Santa Anna, president of Mexico. The U.S. Senate voted in favor of ratifying it with amendments on April 25, 1854, and then sent it to President Franklin Pierce. Mexico's government and its General Congress or Congress of the Union took final approval action on June 8, 1854, when the treaty took effect. The purchase was the last substantial territorial acquisition in the contiguous United States, and defined the MexicoUnited States border. The Arizona cities of Tucson and Yuma are on territory acquired by the U.S. in the Gadsden Purchase.
The financially strapped government of Santa Anna agreed to the sale, which netted Mexico $10 million
(equivalent to $230 million in 2020). After the devastating loss of Mexican territory to the U.S. in the MexicanAmerican War (184648) and the continued unauthorized military expeditions in the zone led by New Mexico territorial governor and noted filibuster William Carr Lane, some historians argue that Santa Anna may have calculated it was better to yield territory by treaty and receive payment rather than have the territory simply seized by the U.S.
The American frontier, also known as the Old West or the Wild West, includes the geography, history, folklore, and culture in the forward wave of American expansion in mainland North America that began with European colonial settlements in the early 17th century and ended with the admission of the last few western territories as states in 1912 (except Alaska, which was not admitted into the Union until 1959). This era of massive migration and settlement was particularly encouraged by President Thomas Jefferson following the Louisiana Purchase, giving rise to the expansionist attitude known as "Manifest Destiny" and the historians' "Frontier Thesis". The legends, historical events and folklore of the American frontier have embedded themselves into United States culture so much so that the Old West, and the Western genre of media specifically, has become one of the defining periods of American national identity.
The archetypical Old West period is generally accepted by historians to have occurred between the end of the American Civil War in 1865 until the closing of the Frontier by the Census Bureau in 1890.By 1890, settlement in the American West had reached sufficient population density that the frontier line had disappeared; in 1890 the Census Bureau released a bulletin declaring the closing of the frontier, stating: "Up to and including 1880 the country had a frontier of settlement, but at present the unsettled area has been so broken into by isolated bodies of settlement that there can hardly be said to be a frontier line. In the discussion of its extent, its westward movement, etc., it can not, therefore, any longer have a place in the census reports."A frontier is a zone of contact at the edge of a line of settlement. Leading theorist Frederick Jackson Turner went deeper, arguing that the frontier was the scene of a defining process of American civilization: "The frontier," he asserted, "promoted the formation of a composite nationality for the American people." He theorized it was a process of development: "This perennial rebirth, this fluidity of American life, this expansion westward...furnish[es] the forces dominating American character." Turner's ideas since 1893 have inspired generations of historians (and critics) to explore multiple individual American frontiers, but the popular folk frontier concentrates on the conquest and settlement of Native American lands west of the Mississippi River, in what is now the Midwest, Texas, the Great Plains, the Rocky Mountains, the Southwest, and the West Coast.
Enormous popular attention was focused on the Western United States (especially the Southwest) in the second half of the 19th century and the early 20th century, from the 1850s to the 1910s. Such media typically exaggerated the romance, anarchy, and chaotic violence of the period for greater dramatic effect. This inspired the Western genre of film, along with television shows, novels, comic books, video games, children's toys and costumes.
As defined by Hine and Faragher, "frontier history tells the story of the creation and defense of communities, the use of the land, the development of markets, and the formation of states." They explain, "It is a tale of conquest, but also one of survival, persistence, and the merging of peoples and cultures that gave birth and continuing life to America." Turner himself repeatedly emphasized how the availability of free land to start new farms attracted pioneering Americans: "The existence of an area of
free land, its continuous recession, and the advance of American settlement westward, explain American development." Through treaties with foreign nations and native tribes, political compromise, military conquest, the establishment of law and order, the building of farms, ranches, and towns, the marking of trails and digging of mines, and the pulling in of great migrations of foreigners, the United States expanded from coast to coast, fulfilling the ideology of Manifest destiny. In his "Frontier Thesis" (1893), Turner theorized that the frontier was a process that transformed Europeans into a new people, the Americans, whose values focused on equality, democracy, and optimism, as well as individualism, self-reliance, and even violence.
As the American frontier passed into history, the myths of the West in fiction and film took a firm hold in the imaginations of Americans and foreigners alike. In David Murdoch's view, America is exceptional in choosing its iconic self-image: "No other nation has taken a time and place from its past and produced a construct of the imagination equal to America's creation of the West."