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Period: to
Westward Expansion
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Period: to
Westward Expansion
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Lousiana Purchase
President Thomas Jefferson bought the Louisiana Territory from France for $15 million. It doubled the size of the United States and provided a large area to the west of the country for expansion. -
Louis and Clark
Explorers Lewis and Clark map out areas of the Louisiana Purchase and eventually reach the Pacific Ocean. -
Indian Removal Act
Congress passed a law to moved Native Americans from the Southeast to the west of the Mississippi River. -
Oregon Trail
People began to travel west on wagon trains on the Oregon Trail. Around 300,000 people took the trail over the next 20 years. -
Manifest Destiny
Journalist John O'Sullivan first uses the term "Manifest Destiny" to describe the westward expansion of the United States. -
US claimed Texas
The United States officially claims Texas as a state, eventually leading to the Mexican-American War.