four-year universities greatly varies.
They gave soldiers better advantage at defeating the enemy and defending the country.
Examples Include:
Tanks
Guns
Technological advances such as Airplanes
The Kepler theory about Planets
The people of the Indus Valley. Some of them were farmers. They grew crops like barley, peas, wheat, dates, and melons. The farms were not just for , some grew cotton and raised sheep, pigs, and cattle. Every town had its own storage building to hold what that town needed.
