by a common language". Clusters of obstruents always agree invoicing, and clusters of sibilants and of plosives with the same point of articulation are prohibited. 120 The state security police (the KGB and its predecessor agencies) played an important role in Soviet politics. 34 After the economic policy of " War communism " during the Russian Civil War, as a prelude to fully developing socialism in the country, the Soviet government permitted some private enterprise to coexist alongside nationalized industry in the 1920s and total food requisition. The earliest forms of English, a group of West Germanic (. Syntax In the English sentence The cat sat on the mat, the subject is the cat (a NP the verb is sat, and on the mat is a prepositional phrase (composed of an NP the mat, and headed by the preposition on ). By the 7th century, the Germanic language of the Anglo-Saxons became dominant in Britain, replacing the languages of Roman Britain (43409 CE Common Brittonic, a Celtic language, and Latin, brought to Britain by the Roman occupation.