During the hellenistic era, the definition of what it meant to be greek changed and became
a. extremely limited
c. difficult to explain
b. very broad
d. all about religion

The answer is b. very broad.  This is because during the height of Hellenistic Civilization, it was no longer limited to Greece.  It had now spread to different areas as well such as Asia, Africa and Europe.  This was also due to the campaigns by Alexander the Great where he spread Greek culture to both East and West.

disequilibrium means that either supply is greater than the demand for an available good, or that the demand for a product outstrips the available supply. it implies that the price for a is either too low creating large demand, or too high creating a large surplus of supply.

d is the best answer for this question.