HYRІA V. Zakarpattia and Hungarian influence factor in his political development between two world wars (1918 – 1939)

The focus of this thesis research faced in social and political development of Zakarpattia related to the Hungarians in Zakarpattia iredenta between two world wars (1918 – 1939). The analysis of the impact on political development of Transcarpathian by Hungarian factor designed to restore the territorial integrity of the Hungarian Kingdom prewar period is made in research. The first steps to be Hungarian iredenta in the province after the First World War, actively Zakarpattia Hungarian political parties and their leading figures, local socio-political activists who worked with the Hungarian agents delay to scientific analysis. There have been found sources, methods and features of the active members of the Hungarian secret service in Zakarpattia. The research shows that in the destructive influence of the Hungarian factor for social and political development of the Zakarpattia the Hungarian terrorist attacks, and other Hungarian provocations of «the fifth column» in late 30's years of the XX century played a significant role. That were predictors of the tragic events of 1939 in boundary history.