I believe that countries such as France and China have instituted language controls in order to protect their national language and heritage.
Even today, a French person will rarely speak to you in any language other than French, even if you don't understand them.
I am not sure I understand please explain
Serfs, likewise might be farmers but might also be craftsmen. The difference between the two was that the peasant owned his own land, while the serf did not. The serf owed labor duties to his lord, whereas a peasant owed nothing or, more usually, owed some sort of rent.
The answer should be Anthropology.
