Which statement correctly explains why the European Renaissance began in the Italian city-states?

ATheir location along the Mediterranean Sea made them major centers of trade.
BTheir location just outside the city of Rome made them major centers of political power.
CUnlike other Europeans, the Italians developed new art styles during the medieval era.
DUnlike other Europeans, the Italians never lost touch with classical ideas and works of art.

Verified Answer :

The statement that correctly explains why the European Renaissance began in the Italian city-states would be "A. Their location along the Mediterranean Sea made them major centers of trade," since this allowed the new ideas to spread with relative ease. 

A. Their location along the Mediterranean Sea made them major centers of trade.