Territories Added to the United States Westward Expansion Territories Added to the United States

The United States in 1800 (pink) After the Revolutionary War the United States stretched from the Atlantic Ocean in the East to the Mississippi River on the West Did not include Florida Mississippi River

Louisiana Purchase (pink and green) 1803 Jefferson bought land from France (the Louisiana Purchase), which doubled the size of the United States. In the Lewis and Clark expedition, Meriwether Lewis and William Clark explored the Louisiana Purchase from the Mississippi River to the Pacific Ocean.

Florida (pink, green, and bright yellow) 1819 American Indian were attacking US citizens in Georgia. US told Spain to fix the problem Spain gave Florida to the United States through a treaty.

Texas (pink, green, bright yellow, and peach) 1845 Mexico (which included Texas) won independence from Spain Texas became its own country after it became independent of Mexico. Texas was added after it became an independent republic.

Oregon (pink, green, bright yellow, peach, and purple) 1846 The Oregon Territory was divided by the United States and Great Britain because there were more Americans living in that territory.

California and the Southwest (pink, green, bright yellow, peach, purple, and green) 1848 War with Mexico resulted in California and the southwest territory becoming part of the United States.