Analysis of information sources in references of the Wikipedia article "Socialismo" in Portuguese language version.
Eastern Bloc. The name applied to the former communist states of eastern Europe, including Yugoslavia and Albania, as well as the countries of the Warsaw Pact
Det forekommer også at land eller politiske systemer omtales som sosialdemokratiske, dersom slike partier har vært toneangivende i politikkutformingen over lengre tid.