I see many people speculating in the comments about whether or not this may be true. Amy Chua wrote a book (https://en.m.wikipedia.org/wiki/Day_of_Empire https:

I see many people speculating in the comments about whether or not this may be true. Amy Chua wrote a book (https://en.m.wikipedia.org/wiki/Day_of_Empire https://en.m.wikipedia.org/wiki/Day_of_Empire) which makes exactly that point and presents compelling evidence going back as far as the Mongol empire.