As David Cortright mentions there is such a thing as peace science today that could be studied at most universities. This is really do, to research and development over the years about peace keeping that has led to a lot of knowledge and resources available on this subject. Today, we can study peace in many ways through research to find out what works and what doesn’t, when trying to promote peace or the elimination of violence. As Cortright mentions that war and violence is more likely and poor communities where there is a lack for opportunities. This closely relates to criminal justice where poor communities don’t have to opportunities needed to survive, succeed or make a living, so they rely on illegal means of making a living. This usually