What evidence is there that mao's great leap forward was failure ?

answer:

the main cause that resulted in the failure of the great leap forward was the lack of central planning by the chinese government. this became evident when researching the main causes that led to this catastrophic failure, as most of the causes that were listed were a direct result of this poor planning.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!

d is the right answer