Toussaint Louverture, former slave and leader of the Black uprising in Saint-Domingue

Engraving of fighting between ex-slaves and French soldiers in Saint-Domingue/Haiti

Sugar cane, driver of the global economy in the 17th and 18th centuries

A page of Meriwether Lewis' journal, including an illustration of salmon

Napoleon Bonaparte, French Emperor and seller of Louisiana

Map of the Louisiana Purchase, which doubled the size of the United States in 1803. 13 states would eventually emerge from the lands acquired.