In making the case that we may be trending away from empire, the author notes that during WWI the great empires began to collapse. The Austro-Hungarian Empire collapsed as did the ___ Empire. This latter empire was Turkish, ruled over an expansive empire, and dated back to 1321.

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.