This paper focuses on analyzing the conflict between Czechoslovakia and Nazi-Germany that had the full capacity to lead to the Second World War. It presents all the relevant circumstances and actors of international relations from the respective historical epoch. In these regards the international system and international law in the interwar period is taken into consideration. The focus will be on Czechoslovakia and Germany. The study also presents the options that were opened to Czechoslovakia, the choices it made, and the reason the choices was decided that way. In all this, it is important to determine a certain paradigm of behavior of a small state in conflict with great power as well as the possible influence of third forces as allies. This paper will be analyzed by using some aspect of structural realism. The conclusion is that Czechoslovakia leadership did not believe that can act independently for its ally - France
