Near the beginning of WWI, with already a million men killed in battle, the British and German soldiers shared pictures of their families, traded cigarettes, sang songs, and played games. This spontaneous fraternization with the enemy is called the ___.

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.