an unofficial designation for the German state between 1919 and 1933. The name derives from the city of Weimar, where its constitutional assembly first took place. The official name of the state was the German Reich (Deutsches Reich), continuing the name from the pre-1918 German Empire.Isolationisma policy of remaining apart from the affairs or interests of other groups, especially the political affairs of other countries.Collective Securitythe cooperation of several countries in an alliance to strengthen the security of each.VilnaAnd area which both Lithuania and Poland owned and fought forUpper SilesiaThe southeastern part of Silesia In 1871 it became a part of German empire It belonged to Poland in 1945 after ww2
