<Tab/>The Bolshevik Party had seized control with the Revolution of November 1917. However, in the following period, opposition increased as a result of Bolshevik actions. These groups would be part of what was to be the greatest threat to the Bolsheviks. This led to a power struggles within Russia and hence, the Civil War of 1918-21. <Tab/>Since Russia's involvement in World War I had adversely affected …showed first 75 words of 422 total…

…showed last 75 words of 422 total…the Bolsheviks' biggest threat. Though these groups had different aims - some wanted the Tsar back, others a constitutional government - their one common aim was to defeat the Reds. Two parties both wanted control of Russia, and conflict that previously existed was bound to intensify. The three-year Russian Civil War thus developed from the Bolsheviks' wide opposition and the desire for control with both sides, which meant that a struggle for power was inevitable.