What were FOUR reasons that the Italian city-states were so successful during the Renaissance? Give an explanation for each of the four reasons.

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explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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plz give me brainliest!

how is this a question? but yes, they were. if i recall correctly, it was very handy for native americans to use buffalo skin.

the russian revolution of 1917 involved the collapse of an empire under tsar nicholas ii and the rise of marxian socialism under lenin and his bolsheviks.