[–] mralexson [S] 0 points 1 point 1 point (+1|-0) ago (edited ago)
Their birth rate weren’t particularly higher than europeans. The Chinese irrigated massive river systems(Yellow and Yangtze) and discovered a primitive form of immunization called variolation https://en.m.wikipedia.org/wiki/Variolation
[–] PraiseIPU 0 points 1 point 1 point (+1|-0) ago
and China in 1800 had the population of the U.S. today