Who were the Mensheviks and Bolsheviks?
In 1912, the Russian Social Democratic Labour Party (RSDLP) had its final split, with the Bolsheviks constituting the Bolsheviks and the Mensheviks.
The Menshevik were the minority group who taught that the party should be open to all. The Bolshevik were the majority group led by Vladimir Lenin.
Bolsheviks were radical revolutionaries while Mensheviks were more moderate.