WORLD HISTORY

Detailed explanation-1: -This discontent strengthened the cause of the Bolsheviks, a radical socialist group led by Vladimir Lenin (1870-1924) that was working to harness opposition to the czar and turn it into a sweeping revolution that would begin in Russia and later, he hoped, spread to the rest of the world.

Detailed explanation-2: -Lenin was the leader of the radical socialist Bolshevik Party (later renamed the Communist Party), which seized power in the October phase of the Russian Revolution of 1917. After the revolution, Lenin headed the new Soviet government that formed in Russia. He became the leader of the USSR upon its founding in 1922.

Detailed explanation-3: -During the Russian Revolution, the Bolsheviks, led by leftist revolutionary Vladimir Lenin, seized power and destroyed the tradition of czarist rule. The Bolsheviks would later become the Communist Party of the Soviet Union.

Detailed explanation-4: -The subsequent October Revolution followed by a further military defeat brought the Russians to terms with the Central Powers via the Treaty of Brest-Litovsk, which granted the Germans a significant victory and resulted in Russia exiting the war and breaking ties with the Allied Powers.

Detailed explanation-5: -He played a vital role in Russian Revolution of 1917. Introducing radical land reforms. The victory of Bolsheviks in the Russian Civil War from 1917 to 1922 was credited to Lenin. He introduced the New Economic Policy which was a mixture of economic systems with a leading role for the state.