Which statements accurately explain why the Renaissance began in the Italian city-states? Choose all answers that are correct.

AItaly had been the center of the Roman Empire, and people there saw Roman ruins and knew about the classics.

BPope Pious X built an art school in Florence that attracted the finest talent from throughout Europe.

CItaly is in a good, central location for business and commerce so traders maintained contact with people and ideas from other places.

DItalian city-states were unified under one central governm