Answer:
19 -B --> makes the most sense based on the events in the diagram
20- C --> this is a long-term effect
Wouldn't it be all of them? They can all come into use at some point
Answer:
Factory system, system of manufacturing that began in the 18th century and is based on the concentration of industry into specialized—and often large—establishments. The system arose in the course of the Industrial Revolution
Explanation: