Which of the following explains why some people use 1918 as the starting date of the Russian Civil War? (1 point)

The last tsar of Russia stepped down, causing a new government to form and the Bolsheviks to begin to take over the country.

It was the year that the Russians got out of World War I with the Treaty of Brest-Litovsk, so they could focus their attention elsewhere.

The White Army successfully conquered Ukraine, showing how powerful they were as a counter force to the Red Army.

Lenin decided to disband the Constituent Assembly in 1918, which angered people because the Bolsheviks were becoming more controlling.

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The last tsar of Russia stepped down, causing a new government to form and the Bolsheviks to begin to take over the country.