Between which two river was the ancient civilization of mesopotamia located

Where was goodyear located? a) northeast b) southeast c) northwest d) southwest

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less