C. divides the flow of river systems in the United States into east and west
Explanation:
The continental divide divides the flow of river systems in the United States into east and west. The divide separates water bodies that runs into the Atlantic from those going into the Pacific ocean.
The divide is the most prominent rocky feature that separates water bodies in the Americas.
It runs from the Andes down south to the Rocky up North.
It is a distinct mountain range that typically follows a linear form.
They can maintain a government. They get raided by neighboring countries. They have ridiculous resources... Which is why they were constantly colonized. D is my answer.
