how did the united states grow to its present geographical size (not including Alaska and Hawaii) from the 1783 Treaty of Paris (ending the American...

how did the united states grow to its present geographical size (not including Alaska and Hawaii) from the 1783 Treaty of Paris (ending the American Revolution) to start of the Civil War in 1861. What were the wars, purchases, treaties, etc. that gave us the land that now includes the "lower 48 states?"