This country was established by the United States, for the return of freed African slaves. The name means freedom. The name of this country is ___; the documentary was about this country's conflict and the resolution of that conflict.

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.