The correct answer to this open question is the following.
Although there are no options attached or further context or references, we can say the following.
Families found that they could make more money working in factories than working at home to produce goods. As result, the system replaced local industries and created the Factory System.
The Industrial Revolution changed the lives of people in the United States. AS new technologies appeared in agriculture, more rural American farmers decided to leave their towns and moved to the larger cities such as Chicago or New York, where the large industries were located. There, they accepted low paid jobs in the factories, working for long hours under unhealthy and risky conditions, operating the machines.