C) Too many people were already living in rural or country areas
One major lasting effects of the mongol empire in Europe and Asia was that it greatly increase trade between the continents, since trade routes were established to bring valuable goods from every corner of the empire.
I believe the persians were defeated by the greeks at the bay of sqlqmis
Explanation:
the united states emerge as one of the two dominant, superpowers turning away from its traditional isolationism and toward increased international environment
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