A. Middle class families-- middle class families could financially support children going to school.
Continuing in education beyond primary school requires the family to be able to continue to support a child into their teenage years. Middle class families had enough money to support their children's education instead of needing the child to get a job or be married to start their new home.
In a market economy households provide resources and labor and purchase goods and services while firms provide goods and services and purchase resources and labor. You can view the relationship between households and firms as a "circular flow"
It was "Pythagoras" who was the <span>Greek geometer who founded a philosophical society that devoted itself to the study of mathematics, since he was one of the leading mathematicians of his day. </span><span />
C because the candidate that gets more electoral votes gets the presidency but the popular votes do not matter