Why did the first Chinese cities develop on the North China Plain?
A. The North China Plain was protected from outside invasion.
B. The river valleys throughout China were overcrowded with people.
C. Freshwater rivers supplied wide-open and fertile farmlands.
D. The Grand Canal was built to connect the North China Plain to other rivers.

Why did the first Chinese cities develop on the North China Plain?

C. Freshwater rivers supplied wide-open and fertile farmlands.

Explanation:

In the plains and deltas all across the world the formation of the first cities of the region usually follows a single trait that is present in all of them: it is the existence of freshwater rivers that supply water and have fertile lands drained by them.

The existence of freshwater rivers and wide open farmlands made sure that a big enough population was able to sustain and feed itself in the same area and began to live together.

This is the reason that the society was developed into a well formed city.

The answer is C. Freshwater rivers supplied wide-open and fertile farmlands