How do you think the presence of so many independent city-states in such close proximity could have contributed to the Renaissance beginning in Italy?

Renaissance in Italy

Explanation:

The city-states were well established during the later middle ages. Some often city-states were Florence, Naples, Genoa, Milan, Rome and Venice. The city-states being in the coastal region became centres for trade which helped in bringing ideas and goods. Florence became the centre of the Renaissance. The city-states invited painters and sculptures where they created their masterpieces. Medici family were bankers who assisted in building Florence as a centre of art and culture. They became patrons for the painters, architects by spending their wealth to support them.  

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your answer is rising unemployment and inflation.