In order to have good relations with the Native Americans, King George III created the Proclamation line which stated that no one can move west of the Appalachian mountains.
America bought Louisiana from France i 1803 for $15 million, while they were ready to pay $10 million just for New Orleans.
The first American team to explore the western parts of American.
Missouri was admitted into the union as a slave state, while Maine became a free state. The reason for this was to keep the balance between free and slave states.
The Trail of Tears was that relocation of 60,000 (+) Native Americans from their tribal land to past the Mississippi river.
Gold was found in western Kansas and this lured many Americans to move west in search of gold.