Why was an official policy of religious tolerance more crucial to the stability of the persian empire than it was to the greek civilization? a. the vast persian empire contained many conquered peoples with different beliefs and cultures, while the greek civilization consisted of independent city-states that all had their own beliefs. b. the persian empire had experienced a series of revolts by religious dissidents in the past that threatened the stability of the empire, whereas the greek civilization had not. c. the greek religion included the worship of many gods, so greeks already had an unofficial policy of religious tolerance and did not need to make an official one. d. overall, the greek civilization was less concerned about religion than the persian empire, so religious tolerance was largely unnecessary.