Complex sentence: Comprehensive White terror started with the general offensive of the Whites in March 1918, increased constantly, culminated at the end of the war, and declined and ceased after the enemy troops had been transferred to prison camps.
Split into simpler sentences: Comprehensive White terror started with the general offensive of the Whites in March 1918 and increased constantly. It peaked at the end of the war and declined and ceased after the enemy troops had been transferred to prison camps.