Westward Movement
The Erie Canal
The Gold Rush
The Homestead Act
1. PBS.org – Frontier House video clips
Lewis and Clark
1. Discovering Lewis and Clark
The Louisiana Purchase
1. Library of Congress – Primary documents
2. Avalon Project at Yale Law Library – Primary documents
Videos
3. LA Purchase Doubles Size of America (1:24)
4. Jefferson Expands Presidential Power (3:36)
The Oregon Trail
1. WatchKnowLearn.org – videos: In the Wake of Lewis and Clark (5:39)
The Pony Express
The Trail of Tears
The Transcontinental Railroad
2. History.com – videos:
The Transcontinental Railroad (3:27)
The US–Mexican War
1. America’s Story – Treaty of Guadalupe Hidalgo
2. Library of Congress – Photographs from the conflict with Mexico
History.com – videos: