Its roots, leaves, stem and seeds are all used as Ayurvedic medicine.
Besides, it is not as if ruling class cares about culture that much - at least not the economic portion of said class.
He argues that these states were mostly republics unlike the great European monarchies of France and Spain with absolute power vested in rulers who could and did stifle commerce.
So veggie oil it is! While slavery is likely to return in some form, most of the population could die from famine or dysentery because war especially dragons will have destroyed anything edible or drinkable.
There used to be time when women were solely housewives, and it was economic reasons which put an end to it.
The Free People of Meereen will get to decide on how to govern themselves.