What Is the Typical Effect of Foreign Crises on the President's

 What is the typical effect of foreign crises on the president's approval rating? 

A)  They increase the president's approval rating except when the public believes the president could have avoided the crisis. 
B)  They increase the president's approval rating except when the public believes the president caused the crisis. 
C)  They increase the president's approval rating, even if the crisis was partially or wholly the president's fault. 
D)  They decrease the president's approval rating, even if the president was wholly blameless for the crisis. 
E)  They decrease the president's approval rating except when it is evident that the president was wholly blameless for the crisis.