Social and Political Crises Occurred in Many Greek City-States During

Social and political crises occurred in many Greek city-states during the fourth century B.C.E.due to:

A) Greek experimentation with different political systems.
B) constant warfare with Persia.
C) rising food prices, stagnant wages, and high unemployment.
D) religious warfare between Greek city-states.
E) increasing Roman dominance of the area.