Peter Suedfeld and Colleague's Research on Prime Ministerial Greatness Found

Peter Suedfeld and colleague's research on prime ministerial greatness found that situational factors have an impact on who is a great leader.Specifically,they found leaders are considered great in _______ with the exception of _______.

A) peacetime; economic crisis.
B) war; political crisis.
C) crises; war.
D) difficult times; economic crisis.
E) difficult times; war.