Opponents include: AxelBoldt (a chain of links is desirable, but orphans really don't pose a problem, since most people use the search engine anyway)
... Republics (USSR) Cheka (1917-1922) Gosudarstvennoye Politicseskoye Upravleniye[?] (GPU, 1922-1923) Obyedinennoye Gosudarstvennoye Politicheskoye Upravleniye[?] ...