Study of social, political, economic phenomena that lead to armed conflicts. Its goal is to prevent wars based on previous experiences. The name was coined by the Franco-Tunisian sociologist Gastón Bouthoul in years after World War II; took it from the Greek 960; 959; 955; 949; 956; 959; 962; ( polemos "war, conflict" 955; 959; 947; 959; 962; ( logos "study" ) .