The Louisiana purchase cost the u.s. 15 million,it included the Mississippi , the Native American were removed from their lands during the westward expansion and were forced onto reserves.
Farmers took advantage of the extensive river system out westward
The war of 1812 which secured existing u.s. Boundaries and defeated native tribes of old north west
Chief joseph of the nez perce was known to his kind ``thunder traveling to loftier mountains heights
The United States government created Indian reservations to prevent disputes over land boundaries and rights between white citizens and Native Americans
Congress hastily passed the pacific railroad act
Thousand of Chinese immigrants toiled at a grueling pace and inperious working conditions to help construct Americas first transcontinental railroad.
The main line officially completed on may 10 ,1869