By examining her history, the student of American foreign policy can trace patterns of thought and action which even to this day underlie U.S. behavior at home as well as abroad.
Hartmann, Frederick H.
"U.S. Foreign Policy: A Historical Perspective,"
Naval War College Review: Vol. 25
, Article 4.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol25/iss3/4