Notable Quotable – Thomas Jefferson 1820 Tags: 1820, 19th Century Economics, American history, Antebellum Era, Capital Accumulation, Civil War Origins, Domestic Slave Trade, Economic Calculation, Enslaved Women, Human Property, Jeffersonian Democracy, Monticello, Natural Increase, Notable Quotable, Plantation Economy, Sectionalism, slavery in America, Thomas Jefferson, Thomas Jefferson Quote, Virginia history, Share on: Share: View our photo collection! View Collection