Answer:
he period of European history and the fall of the roman empire
Explanation:
In just twelve years, Alexander the Great conquered vast territories and dominated lands from west of the Nile to east of the Indus. He brought the Persian Empire, Egypt and much of the Middle East under his control.
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The Russian Revolution 1917 which is also known as the October Revolution change government of Russia as it allowed the Bolshevik socialists to acquire power and eventually established the Soviet Union (USSR). This revolution is considered as one of the most important events in world history. The revolution helped to end the autocratic rule of Tsar and after that the Russian Soviet Federative Socialist Republic established.
The revolution not only helped in ending to monocratic, zarchic rule, autocratic, but also ended the economic and social power of the big landlords, feudalists, capitalists etc. Due to the result of this revolution, the first power of workers and peasants in the world established.
