> The amount of agricultural land China needed to sustain its population is totally calculable. And it was more than enough to feed China even back then. It's

> The amount of agricultural land China needed to sustain its population is totally calculable. And it was more than enough to feed China even back then. It's a poor insinuation claiming that top statesmen didn't know that. They knew it very well, and they also knew how catastrophically they mismanaged the agriculture.