<span>C. competing for jobs that they believed should go to people born in America.</span>
I currently searched up the question your looking for and this is what I somewhat found
The river and deserts provided natural defenses for the Egyptians. The Nile River has a marshy delta. As a result, Egyptians could not build a port at the mouth of the Nile. This made it difficult for invaders to reach Egyptian settlements along the river.
I would say A but i am not 100% sure.
