The correct answer is D. World War I, Russian Revolution, Cold War.
Step-by-step explanation
World War I was a European Conflict from 1914 to 1918 between "Central Powers" composed by Austro-Hungarian, German and Ottoman Empires and the Bulgarian Kingdom against "The Allies" composed by France, British Empire, Russian Empire, Italy, and the United States.
Russian Revolution was a Russian insurrection from 1917 that allowed the fall of the tsarist regime and the establishment of a Socialist Republic. It was started by the Soviets, that is, the working class.
Cold War, was a confrontation from 1945 to 1989 between the Western Block (the capitalist power led by the United States) against Eastern Block (the communist power led by the Soviet Union), its name is due to did not any frontal armed confrontation and it finalized with the disintegration of the Soviet Union and the fall of the Berlin Wall.
According to the dates, the correct answer is D. World War I, Russian Revolution, Cold War.