The geographic factor that was most important to the development of the early River valley civilization would be the river. this is because it gave them fertile soil to grow crops. 2 people found this useful
Answer: It ended the labor shortage, as war veterans went to work on the railroad.
In The Americas , Most African Slaves Were Sold To Work ___.
- On Plantations
The answer is C because the force of gravity on the surface of Mercury is much less than on Earth.