What caused the Socialist Revolutionaries to split with the Bolsheviks in March 1918?

A) Lenin's decision to abandon socialist economic principles
B) the assassination of the royal family
C) Lenin's denunciations of "kulaks"
D) the Treaty of Brest-Litovsk
E) support for Alexander Kerensky against Lenin

Treaty of Brest-Litovsk

A peace treaty signed in 1918 between the Bolshevik government of Russia and the Central Powers, marking Russia’s exit from World War I, and resulting in significant territorial losses for Russia.

Socialist Revolutionaries

A political grouping in early 20th-century Russia that sought to bring about a socialist society through both parliamentary and revolutionary means.

Bolsheviks

A faction of the Russian socialist movement that led the October Revolution in 1917, establishing a communist government and becoming the founding ruling party of the Soviet Union.