Buddhist monks from different cultures would share Sanskrit. It was also carried on trade routes was learned in universities in other lands. Later it was forced upon other nations that the Gupta Empire would conquer.
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Before the Revolutionary War, most American colonists called themselves (C)Englishmen.
Answer:
El concepto de contrato social de Thomas Hobbes
Hobbes escribió su obra cumbre, Leviatán (1651), en un período de guerra civil en Inglaterra donde se discutió quién debía ocupar la soberanía, el Rey o el Parlamento. En ella define la necesidad de crear un contrato social para establecer la paz entre los hombres.
Yes, it is true that linguists do not know for certain how language was developed by early humans, but they're able to determine that it started somewhere in Africa, due to human migration patterns.