The Nomenklatura was the combination of the Communist party and the state.
Prior, workers within the state would be apolitical but enforce policies set in place by the party.
Due to the combining of party and state, it led a lot of political members to be within Government.
Exam Usage
Context: Source from within the Government, post-Nomenklatura
The source may be put there/modified to what Stalin wants, in order for something to occur, set a precedent, etc.