___ are warriors who are hired to fight. Most notably in Iraq, Blackwater (now called Academe), Halliburton, Custer Battles, and others had 1000s of hired warriors on the ground.

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.