Answer:
Farmers and the working class
Answer:
Honestly, not sure either. I don't think there is an actual scientific reason.
It stopped people from trading and it weakened the society
I would guess it to be 'a' as most of the country is run by the government
This number would greatly increase, as there are many nations that don't have their own their own country. Some are part of a bigger country (the Tamils in India) and some are distributed among many countries (the Kurds)
Recognizing all those nations could increase some conflicts, such as that between the Kurds and Turkish in Turkey.
I think that a good definition should acknowledge that some nations have independent states and some are part of another state - the defining characteristics should be a sense of unity among the nation.