1. America tears up an arms treaty and harms itself. (2018, October 27). The Economist. Retrieved from https://www.economist.com/united-states/2018/10/25/america-tears-up-an-arms-treaty-and-harms-itself .
2. A new Cold War? (1999, April 15). The Economist. Retrieved from https://www.economist.com/leaders/1999/04/15/a-new-cold-war .
3. A new European order. (1997, May 15). The Economist. Retrieved from https://www.economist.com/europe/1997/05/15/a-new-european-order .
4. Broder, J. M. (1999, March 24). Conflict in the Balkans: The Russians; a phone call from Gore and a U-turn to Moscow. The New York Times. Retrieved from https://www.nytimes.com/1999/03/24/world/conflict-balkans-russians-phone-call-gore-u-turn-moscow.html .
5. Brzezinski, Z. (1992, Fall). The Cold War and its aftermath. Foreign Affairs. Retrieved from https://www.foreignaffairs.com/articles/russia-fsu/1992-09-01/cold-war-and-its-aftermath .