2. Cause and Effect: What innovation led to the development of factories in Manchester?
Effects of the Industrial Revolution SQ 5. How did industrialization and urbanization affect British cities?

In 1764 Richard Arkwright invented the water frame and the spinning jenny, further automating cotton production. In 1780 after his largest factory was burnt down, he moved to Manchester and built a factory that could hold 600 workmen. The industrialization of cotton production had officially begun.

porter is writing economic history because he is focusing on the cost of developing vaccines.