What were the 3 main reasons Italy was the ideal birthplace for the Renaissance?

Italy had three advantages that made it the birthplace of the Renaissance: thriving cities, a wealthy merchant class, and the classical heritage of Greece and Rome. Overseas trade, spurred by the Crusades, had led to the growth of large city-states in northern Italy. The region also had many sizable towns

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i know social security wasn't one.

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some american cities felt workers were being oppressed by business monopolies