Shanghai industrial complex wrote:History shows that when China is in the strongest period, it is the most peaceful period in East Asia. There was no war, wealth, openness and trade, and a series of amazing things were invented.
Uhh, I don't know what history books you read, but when China was strong it conducted a lot of invasions and expansions. https://www.google.com/amp/s/opinion.in ... resent/amp
Even if we eliminate the Yuan dynasty, since it was founded by Mongols, that's still a lot of invasions.