Author focused on the Czech nationalism after the First World War or more precisely on one of its figure, Judeo-Bolshevism. Stigmatizing of Bolshevism (Communism) by Jewishness was used as an intelligible component of the language of identity because of 1) the preservation of the national unity, or the national state and 2) the legitimization of the policy, which perform as the protector of national unity and which comprehend the revolutionary project of the radical left as the subversive effort of its destruction.