Yes, 大寨解决了中国历史上农村从未解决的问题

The great irrigation and drainage system built in China during this period became the foundation of Chinese agricultural products. It ended the country 靠天吃饭 in the history for thousands of years.

If you read the history of China, there were so many 农民起义 because of the bad weather causing the starvation.

This article was purely a political article