Which best describes the Doctrine of Enlargement?

The correct answer is letter "D. a foreign policy stance that espouses a unilateral approach to protecting the best interests of the United States."

Here are the following choices:

A. a foreign policy stance that advocates multilateral engagement for the good and protection of an allied country

B. a foreign policy stance that sets up a hierarchy within an alliance and puts US interests first

C. a foreign policy stance that seeks to open markets, promote democracy, and defend weaker nations

D. a foreign policy stance that espouses a unilateral approach to protecting the best interests of the United States

E. a foreign policy stance that assumes the interests of many nations can be met without engagement in nation building