They obtained increased commercial independence by operating the factories, is the correct answer.
Explanation:
Industrial Revolution was a time period in which several technological discoveries took place originally in England and then in later parts of the world such as the United States of America and Japan. Though the factories were based on various advanced machines they required human-force to operate. Accordingly, during this time, men, as well as women, began working in the factories. A direct impact of the Industrial Revolution can be seen in the fact that it made women economically independent.
I would say the agricultural aspect of how the Mayans grew their crops. I learned this unit just a few months ago and even a bit before. This article has a lot on the Mayan culture. Source: www.history.com/topics/maya
The institutional slavery affected the three main groups of Southerners in the antebellum period/Civil War because the Southerners were mainly angry some were angry because they needed slavery in order for their business to keep on doing better.