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I think if the US doesn't export agricultural and fishery products to China, 500 million Chinese will die of starvation.

I know that in mainland China there is always a shortage of food relative to the population.
So, the Chinese have always started wars and reduced their population.
Currently, China is suffering from severe food shortages due to the destruction of nature and ecosystems caused by excessive industrialization.
So, I guess China will start a war abroad.