What object fueled america's economy in the mid/late 1700s much like oil fuel our economy today?

Who established the peoples republic of china in 1949

To what is the growth of civilization most clearly traced

In what way was family life impacted by industrialization? a. there was a rise in the middle class. b. there was a decrease in the birth rate. c. women were not allowed to work in factories. d. families relied on farming for food supplies.