Answer:
D. Rivers
Explanation:
I am currently learning about this in my AP World History class!
The fertile crescent is on some really fertile ground. You can't have fertile ground without a source of water. The Nile is a specific river than is in the fertile crescent, in fact, many in 3000BCE Ancient Egypt would study when it would flood because the floods created more fertile soil. These rivers provided for 100's maybe 1000's a day and kept agriculture boomin'.
Hope I helped!! :))
The Hudson River in New York and the Delaware River in Philadelphia both had ports so trader could sell their goods to England or other places.
Answer:
They still made sure they were safe from people, and after that they most likely moved to a new place.
Explanation: I passed 5th grade
They crossed over a "land bridge" between the countries. The ice froze all the water so they were able to walk across it.
