Which statements accurately explain why the renaissance began in the italian city-states? choose all answers that are correct.
a. italy had been the center of the roman empire, and people there saw roman ruins and knew about the classics.
b. pope pious x built an art school in florence that attracted the finest talent from throughout europe.
c. italy is in a good, central location for business and commerce so traders maintained contact with people and ideas from other places.
d. italian city-states were unified under one central governm