Definition
Refers to states obtaining greater territory through empire building or colonialism
Manifest Destiny
American settlers were obtained to expland westward across North America
Rooted in:
Continentialism
19th century belief the US would eventually encompass all of North America
Transcontintial railroads
Homestead act of 1862
Acquisition of Alaska
US purchased it in 1807
Spanish - American War
Impact on Native Americans
Theodore Roosevelt
Replaced Manifest Destiny with interventionalism