Why did the renaissance start in florence

It was in a handful of Northern Italian city states that the renaissance emerged. It would eventually spread to northern Europe but it was in Italy that the rebirth truly began. Independent city states such as Florence, Venice, and Rome grew wealthy through trade and banking creating a class of affluent businessmen.

nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei the fighting in iwo jima and okinawa affected the allies' pacific strategy because truman decided to drop the atomic bomb on mainland japan.

yes they have. but is this a true false question? if it is, the answer is true.