The social structure of Greece was made up of male citizens, female citizens, helots, and?

slaves

Explanation:

The social structure of Greece was made up of male citizens, female citizens, helots, and slaves.

a.   it resulted in widespread unemployment.

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.