Answer- D
Explanation- Some of the first major city-states were port cities that acted as trade centers, like the republics of Pisa, Genoa, and Venice. Their wealth came from international trade routes we call the silk roads, connecting European and Asian markets thanks to the massive Mongol Empire that opened up Eurasian trade.
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The answer is D. Other cowboys would try and steal cattle from other farmers.
<span>Immigrants increasingly came from countries that were ethnically and culturally far removed from white American society.</span>
