The Era Known as Classical Greece Is Significant Because

The era known as Classical Greece is significant because

A) Alexander the Great lived and ruled during this period.
B) massive famines killed two-thirds of the Greek population.
C) many cultural contributions of Greece is known to have happened during this time.
D) it was marked by a confrontation between the Greek states and the Roman Empire.
E) Minoan Crete took over the Greek mainland.