Though Peasants, Industrial Workers, Professionals, and Others Participating in the Russian

Though peasants, industrial workers, professionals, and others participating in the Russian Revolution of 1905 had different goals, they united because of

A) violence against protesters and the tsar's refusal to make genuine constitutional reforms.
B) the charismatic leadership of V. I. Lenin.
C) the Bolsheviks, who were ready to step in and seize power if these groups did not unite to keep them out.
D) the impending threat of German invasion, which had destabilized the government.