Louisiana Purchase - President Thomas Jefferson buys the Louisiana Territory from France for $15 million. This doubles the size of the United States and provides a large area to the west of the country for expansion.
Lewis and Clark set out St. Louis, Missouri to explore the west of the Mississippi.
Lewis and Clark reach the Pacific Ocean - Explorers Lewis and Clark map out areas of the Louisiana Purchase and eventually reach the Pacific Ocean.
Thomas Jefferson ends the slave trade so that no "new"slavescan comme to America from Africa.
Gold Rush begins - James Marshall discovers gold at Sutter's Mill. Soon word is out and people rush to California to strike it rich.
