Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Kremlin and Red Square, Moscow' has mentioned 'Soviet Union' in the following places:
Occurrence Sentence Text Source
It previously referred to the government of the Soviet Union (1922xe2x80x931991) and its highest members (such as general secretaries, premiers, presidents, ministers, and commissars).
The Mausoleum of Lenin on Red Square is the Soviet Unionxe2x80x99s prime example of symbolic monumental architecture.