the Lewis and Clark Expedition. Henry Clay (1777–1852), United States Secretary of State and Speaker of the House, he advocated for gradual emancipation but owned slaves until his death. Howell Cobb (1815–1868), U.S. Congressman, Secretary of the Treasury, 19th Speaker of the House, and 40th Governor of Georgia. One hundred people were enslaved on his plantation until they were liberated by William T. Sherman and his army. Edward Coles (1786–1868), 2nd Governor of Illinois; an abolitionist, he inherited slaves from his father and freed them. Amaryllis Collymore (1745–1828), Barbadian slave and later slave owner and planter. Alfred H. Colquitt (1824–1894), U.S. Congressman, 49th Governor of Georgia, and Confederate Army Major General, he wanted to lift restrictions on slavery in the western territory and was himself a slave owner. Edward Colston (1636–1711), English merchant, philanthropist and slave trader. Christopher Columbus (1451–1506), enslaved the Taíno and Arawak people and "sent the first slaves across the Atlantic." Hernán Cortés (1485–1547), Spanish conquistador who invaded Mexico. Thérèse de Couagne (1697–1764), Montreal businesswoman, she enslaved Marie-Joseph Angélique who attempted to escape repeatedly. D Sir Robert Davers, 2nd Baronet (–1722), English politician and landowner, he enslaved some 200 people on his plantation in Barbados. Jefferson Davis (1807–1889), President of the Confederate States of America during the American Civil War. He enslaved as many as 113 people on his Mississippi plantation. Joseph Davis (1784–1870), eldest brother of Jefferson Davis and one of the wealthiest antebellum planters in Mississippi, he enslaved at least 345 people on his Hurricane Plantation. Sam Davis (1842–1863), Confederate soldier executed by Union forces. He came from a family of slave owners and, as a child, was gifted an enslaved person. Francisco Paulo de Almeida, Baron of Guaraciaba (1826–1901), Afro-Brazilian landowner, businessman, and nobleman. He owned several coffee plantations as well as around a thousand of slaves. James De Lancey (1703–1760), judge and politician in colonial New York. His own slave, Othello, was accused of attending a meeting related to the Conspiracy of 1741 and De Lancey sentenced him and other suspected enslaved conspirators to death. James De Lancey (1746–1804), colonial American and leader of a loyalist brigade. When he fled to Nova Scotia after the War of Independence, he took six enslaved people with him. Abraham de Peyster (1657–1728), 20th mayor of New York City, he purchased two enslaved people in 1797. Demosthenes (384–322 BCE), Athenian statesman and orator who inherited at least