What did Stalin mean by 'Socialism in One Country'?
[A].
The essential unity of Europe through communism
[B].
Global peace through socialism
[C].
Justification for USSR's departure from the Marxist view that socialism in the USSR could only succeed in conjunction with socialist revolutions in advanced countries
[D].
Justification for USSR's departure from the Lenisist view that socialism in the USSR could only succeed in conjunction with socialist revolutions in the US