Which statement is true about serfs?
a. serfs had to go to school if they were children.
b. serfs owned the houses they lived in.
c. serfs wore jewels and colored tights called hose.
d. serfs were bound to the land and to the lord of the manor.

where is the section with the question?

industrial revolution, in modern history, the process of change from an agrarian and handicraft economy to one dominated by industry and machine manufacturing

i'm not certain but i'm pretty sure it was spanish and portuguese america.