1. AP World Review: Video #18: The Spread Of Crops And Their Impacts (Key Concept 2.3, III, A)
Everything You Need To Know About The Spread Of Crops And Their Impacts To Succeed In AP World

2. The Spread Of Crops
Rice And cotton spread from South Asia to the Middle East
This encouraged changes in farming and irrigation techniques

3. Qanat System
Developed by the Persians in around the first century B.C.E.
Public works project under the Achaemenid Empire
Brings water from underground to needed areas
Foster crop production

4. Water Wheels
Noria:
Uses the power of moving water to bring water to needed areas
Sakia:
Similar to a Noria, but it lifts water from a well

5. Water Pumps
Shaduf:
Can lift water from a source and move to need area via a bucket

6. Quick Recap
Be able to identify and explain irrigation techniques used during this time

7. See You Back Here For Video #19: The Byzantine Empire
Thanks for watching
Best of luck!