Slave trade in the United States in the context of "Cotton gin"

Charleston is the most populous city in the U.S. state of South Carolina. The city lies just south of the geographical midpoint of South Carolina's coastline on Charleston Harbor, an inlet of the Atlantic Ocean formed by the confluence of the Ashley, Cooper, and Wando rivers. Charleston had a population of 150,227 at the 2020 census, while the Charleston metropolitan area, comprising Berkeley, Charleston, and Dorchester counties, has an estimated 870,000 residents. It ranks as the third-most populous metropolitan area in the state and the 71st-most populous in the U.S. It is the county seat of Charleston County.

Charleston was founded by the English in 1670 as Charles Town, named in honor of King Charles II. Originally established at Albemarle Point on the west bank of the Ashley River (now Charles Towne Landing), the settlement was moved in 1680 to its present location, where it quickly grew to become the fifth-largest city in North America by the 1690s. During the colonial period, Charleston remained unincorporated and was governed by a colonial legislature and a royal governor, with administrative districts and social services organized by Anglican parishes. Although the state capital was relocated to Columbia in 1788, Charleston remained among the top 10 U.S. cities by population through 1840. A significant part of Charleston's history is its central role in the Atlantic slave trade; local merchants, including Joseph Wragg, helped break the monopoly of the Royal African Company, making Charleston a primary entry point for enslaved Africans. Almost one-half of enslaved people imported to the United States arrived in Charleston. In 2018, the city formally apologized for its role in the American slave trade.

From the late 18th century to the 1860s, various states of the United States allowed the enslavement of human beings, most of whom had been transported from Africa during the Atlantic slave trade or were descendants of people who had. The institution of chattel slavery was established in North America in the 16th century under Spanish, British, French, and Dutch colonization.

After the United States was founded in 1776, the country split into slave states (states permitting slavery) and free states (states prohibiting slavery). Slavery became concentrated in the Southern United States. The Act Prohibiting Importation of Slaves banned the Atlantic slave trade starting in 1808, but not the domestic slave trade or slavery itself. Slavery was finally ended throughout the entire country after the American Civil War (1861–1865), in which the U.S. government defeated a confederation of rebelling slave states that attempted to secede from the U.S. During the war, U.S. president Abraham Lincoln issued the Emancipation Proclamation, which ordered the liberation of all slaves in rebelling states. In December 1865, the Thirteenth Amendment to the U.S. Constitution was ratified, abolishing chattel slavery nationwide. Native American slave ownership also persisted until 1866, when the federal government negotiated new treaties with the "Five Civilized Tribes" in which they agreed to end slavery. Some argue slavery continues to exist because the Thirteenth Amendment contains an exception for people convicted of a crime.