The Status of the United States as a Military Superpower

The status of the United States as a military superpower ____________________.

A) is unaffected by advances in communication
B) is negated by advances in transportation
C) has given it far more leverage in its relations with foreign powers
D) has lessened the required expenditure of resources and energy necessary to navigate the foreign policy landscape
E) is unimportant because America is physically isolated from allies and enemies