Period 7 (1890-1945) - Resources
- Website - The Gilder Lehrman Institute of American History (Timeline, Documents, Additional Videos)
- Video - Adam Norris - Review Videos
- Video - Crash Course History - "The Progressive Era: Crash Course History #27"
- Video - Crash Course History - "American Imperialism: Crash Course History #28"
- Video - Crash Course History - "Progressive Presidents: Crash Course History #29"
- P. Source - Triangle Shirtwaist Fire
- P. Source - The Jungle
- Video - Crash Course History - "America in World War I: Crash Course History #30"
- P. Source - Fourteen Points
- P. Source - Treaty of Versailles (Highlights)
- Video - Crash Course History - "Women's Suffrage: Crash Course History #31"
- Video - Crash Course History - "The Roaring 20's: Crash Course History #32"
- Video - Crash Course History - "The Great Depression: Crash Course History #33"
- Video - Crash Course History - "The New Deal: Crash Course History #34"
- Video - Crash Course History - "World War II-Part 1: Crash Course History #35"
- Video - Crash Course History - "World War II-Part 2: Crash Course History #36"
- P. Source - Japanese Internment