The Social Teaching of The Catholic Church

The Social Agenda: Magisterial Teaching of the Roman Catholic Church - http://www.thesocialagenda.org/en/article-five-role-state

Archbishop Dom Helder Camara

http://en.wikipedia.org/wiki/H%C3%A9lder_C%C3%A2mara

"Spiral of Violence"

http://www.alastairmcintosh.com/general/spiral-of-violence.htm