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Explanation:The Workers' and Peasants' Red Army, frequently shortened to Red Army was the army and the air force of the Russian Soviet Federative Socialist Republic and, after 1922, the Union of Soviet Socialist Republics. The army was established immediately after the 1917 October Revolution
A civil war, also known as an intrastate war in polemology, is a war between organized groups within the same state or country. The aim of one side may be to take control of the country or a region, to achieve independence for a region or to change government policies.