Question

1. the industrial revolution was a period when production changed from ____ to ____.

Explanation:

The Industrial Revolution is a key topic in History (a subfield of Social Science). During this period, production transitioned from manual labor (using hand tools and small - scale craftsmanship) to machine - based manufacturing (with the use of factories, steam engines, and other industrial machinery). So the blanks should be filled with "manual labor" and "machine - based manufacturing" (or "hand production" and "industrial production" as similar accurate descriptions).

Answer:

The first blank: manual labor; The second blank: machine - based manufacturing