The author makes the point that the world's three great monotheistic faiths (the 'religions of the book') are most responsible for religious violence over the past 3,000 years. These three faiths are Judaism (the oldest), Christianity, and ___ (the youngest).

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.