Abstract EN:

The purpose of this thesis is to define the context in which the terrorism has been developed, trough the following points : 1) the terrorism has to be considered as an integrated part of a more global phenomenon which is violence, and analized its relations with other manifestations such as : war, guerrilla war, civil war (as in lebanon) and some social movements (action directe, red brigades). 2) explanation of the form of terrorism such as : kidnapping, seizure of hostage, hijacking ect. . . . 3) definition of terrorism through its relations with ; * agression as an international crime, **political offence, and setting up the mecanism of terrorism process, and the attempt to find a definition for terrorism. 4) examination of the prevention and repression measures executed by the league of nations, united nations, europian community, north atlantic treaty organazation, and finally french law. 5) identification of the forms of terrorism as the following : *state terrorism and organazation terrorism (palestinian exp. ), **individual terrorism. 6) examination of the forms of terrorism responsibility : * juridical foundation of the international responsibility, ** the responsibility of the state in which the action has occured on its territory, *** the responsibility of the state in which committed the action.