The Yellow River (Huang He River) does not contain as many cities along its banks as other rivers in China. Why is this the case?

Question

Responses
A It is found entirely in a desert.It is found entirely in a desert.
B It was re-routed by the Communist government in 1950.It was re-routed by the Communist government in 1950.
C It was controlled by bandits and warlords until 1949.It was controlled by bandits and warlords until 1949.
D It is plagued by rapid currents and constant flooding.

Answer 1

C It was controlled by bandits and warlords until 1949.