>>76536887
People get taller when they get a reliable food source and dont suffer from constant famines, if anything a reliable source of meat seem to have very postive effect on height growth.
The ban on meat consumption in japan was lifted in 1872 for example which allowed a large portion of the population to eat all animal meat legally.
https://en.wikipedia.org/wiki/History_of_meat_consumption_in_Japan#Meiji_period
Meat consumption increased more than seven-fold after the end of World War 2 and there is a general height increase after the end of world war 2