After Emergence from the Dark Ages, the Population of Greece

Multiple Choice

After emergence from the Dark Ages, the population of Greece increased as much as fivefold. Which of the following was NOT a reason for the population increase?

A) increased prosperity due to trade and importation
B) change to increased agriculture instead of pastoralism
C) dramatic increases in agriculture needed more labor sources.
D) change of diet to bread and vegetables
E) None of these are correct.