E, C, and B. D doesnt make sense to help with that era.
Answer:
He found that the candelabra swung at a steady rate with a mathmatically listable rate of speed and distance change
Explanation:
The policy was ended in 1921 because it was not successful. ... to feed and supply the hungry Red Army of Bolsheviks during the Russian Civil War. to move towards complete communism. War communism was largely successful at its primary purpose of aiding the Red Army in halting the advance of the White Army and in reclaiming most of the territory of the former Russian Empire thereafter.
The overall aim of the liberal reforms of 1800s was to eliminate corruption in both big business and in the government. Although they weren't very successful, they brought awareness.
Answer:
Elinsatzgruppen was the “mobile killing squads,” they are best known for their role in the systematic murder of Jews in mass shooting operations on Soviet territory.
Explanation: