اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Soviet Union:- a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991 (Princeton WordNet 3.1)