AP U.S. History / Unit 6
Unit 6 · 10–17%
Period 6: 1865–1898
Industry, the West, immigration, and Gilded Age politics.
Topics
- Industrialization
- Labor
- Immigration and urbanization
- Western expansion
- Gilded Age politics
Lessons
Key terms
Original practice
Marlow Works questions. If this unit does not have its own items yet, you will see other questions from the same course.
Which weakness of the Articles of Confederation most directly encouraged support for a new constitution in the 1780s?
Original Marlow Works item — not a College Board question.
Take your time—this is practice, not a test.
Review checklist
- 01Connect a business practice to a labor response.
- 02Explain one cause of urban growth and one problem it created.
- 03Describe western expansion as Native dispossession plus economic integration.
Related resources
External links with reuse status. Marlow Works is independent and does not copy restricted exam or textbook material.
Official / link only
AP U.S. History course page
Official nine-period framework, skills, and exam updates.
College Board · All rights reserved · accessed 2026-10-01
Open sourceCC BY — attribution required
U.S. History (Open Textbook Library)
Open U.S. history textbook for chronology and institutions background.
Open Textbook Library listing · CC BY · accessed 2026-10-01
Open sourcePublic domain — verify the item
Library of Congress — Free to Use and Reuse
Historical images, maps, and documents. Confirm item-level rights before reuse.
Library of Congress · Item-level rights statements · accessed 2026-10-01
Open source