The concept of "war" has undergone extensive usage in U.S. foreign policy since the terrorist attacks of September 11,2001.
Lobsinger, Eric J.
"Diminishing Borders In Trade And Terrorism: An Examination Of Regional Apllicability Of Gatt Article XXI National Security Trade Sanctions,"
ILSA Journal of International & Comparative Law: Vol. 13
, Article 5.
Available at: http://nsuworks.nova.edu/ilsajournal/vol13/iss1/5