Obama's Decision to Authorize 30,000 Additional Troops in Afghanistan Illustrated

Obama's decision to authorize 30,000 additional troops in Afghanistan illustrated the

A) power of the president in foreign policy.
B) full extent of President Obama's popularity at the time.
C) deference shown to the president by the Supreme Court over domestic policy.
D) stunning victories of Republicans in the congressional elections of 2006.
E) All of the above