Ancient hunting and gathering people probably did not make war on one another. Even after the development of agriculture, war wasn't part of life. The rise of ___ societies, which were patriarchal and worshipped male deities coincides with the rise of war.

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.