Continuous distillation column uses variation of temperature and pressure conditions along the height of the column to get more volatile component at the top of the column and less volatile component at the bottom of the column.
The event that caused the death of 14,000,000 Russians was the Russian Civil War. Explain the causes of Russia's Civil War and its outcome. The causes of Russia's Civil War were the failure of provisional government of Kerensky, the growing power of the soviets, the treaty of Brest-Litovsk angered Russians, and the Bolsheviks wanted to wipe out all their enemies. The outcome was the Bolshevik victory over the Whites and 14,000,000 dead.
Fourthly, Russian Declaration made another cause for the Cold War. Soviet Russia highlighted Communism in mass-media and encouraged the labour revolution. On the other hand, America helped the Capitalists against the Communism. So it helped to the growth of Cold War.