Which statement best explains why the Renaissance first developed in cities like Florence and Venice?

How was the method of making pottery by using coils of clay better than simply shaping the clay by hand? it prevented pottery from cracking when fired. it created a watertight seal. it produced more attractive pottery. the pottery could be cut or stamped with designs.

The source of wealth for the city-states of the east african coast was trade between the interior of africa and the far east. true false

Can someone me out with this , i'm putting 30 points on it