An example of this phenomenon in the U.S. is the idea of Mutually Assured Destruction. The Romans played the same game. The basic idea is that, if you want peace, prepare for ___. This philosophy doesn't work.

Peace studies is an interdisciplinary academic field that draws on political science, sociology, history, anthropology, theology, psychology, philosophy, and other fields to:

understand the causes of armed conflict;
develop ways to prevent and resolve war, genocide, terrorism, gross violations of human rights; and
build peaceful and just systems and societies.