Question

Why were the italian city states so prosperous?

Answer 1

What century or era are you talking about?

Answer 2

If you're talking about the Renaissance, it's for a few different reasons. A large portion was the fact that they were centrally located along the trading routes. They also had the Vatican which commissioned a lot of art, attracting artists, who attracted rich people, who attracted more artists and it kept cycling.

Answer 3

Sorry, and yes the renaissance.