Which of these sentiments, expressed in the Monroe Doctrine, can be traced back to President George Washington's 1796 Farewell Address?

A.
The United States must have a strong standing army in order to preserve its influence in the world.

B.
Conflicts between other powerful nations can be dangerous to the United States.

C.
All nations should be free to govern themselves without interference by other nations.

D.
European colonies in the Americas are birthplaces of democracy and should be encouraged.