Social classes is a characteristic of civilization that refers to

social classes is a characteristic of civilization that refers to. groups of people ranked by their place in society. people who come together to learn a trade. men and women who enjoy spending time together.

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.