AP World History / Consequences of Industrialization
Lesson
Industry, cities, and social class
New energy and machines remade work and urban life.
Learning goals
- Explain how fossil fuels and machines changed production.
- Describe social effects of factory work and city growth.
Explanation
Industrialization replaced many hand methods with machines powered by coal, steam, and later other fossil fuels. Factories concentrated workers, clocks, and capital in one place. Output rose, but so did dangerous labor, child work in some industries, and a sharper split between owners and wage workers.
Cities grew faster than housing, sanitation, and political representation. Middle-class reformers, labor organizers, and governments responded in different ways—unions, new laws, or simply more police. When you explain industrialization, keep technology and social conflict in the same paragraph.
Key terms
- industrialization. A shift toward machine production, new energy sources, and factory organization that raises output and remakes work.
- urbanization. The growth of cities as people move toward industrial and commercial jobs.
Common mistakes
- Celebrating inventions without asking who owned them and who did the dangerous work.
- Treating industrialization as only a British story after it spread to other regions.
Practice
Original Marlow Works items. Check the answer explanation after you try.
Which development best explains why Song China was able to support a large urban population?
Original Marlow Works item — not a College Board question.
Take your time—this is practice, not a test.
Answer explanation
Name one technological change and one social change that belong together.
Answer. Machine production in factories increased output and also created a large wage-labor class living in crowded industrial cities.
Industrial history is weaker when machines and class relations are studied as separate lists.
Related resources
External links with reuse status. Marlow Works is independent and does not copy restricted exam or textbook material.
Official / link only
AP World History: Modern course page
Official College Board course scope, units, and exam updates.
College Board · All rights reserved · accessed 2026-10-01
Do not copy CED prose, graphics, or sample questions.
Open sourceCC BY — attribution required
World History Volume 1: to 1500
Open textbook useful for AP World background through 1500.
Open Textbook Library listing · CC BY · accessed 2026-10-01
Verify the exact item license on the source page before republishing text.
Open source