Red Army summary

Army, a large organized armed force trained for war, especially on land. The term may be applied to a large unit organized for independent action, or it may be applied to a nation’s or ruler’s complete military organization for land warfare. Throughout history, the character and organization of

Russo-Polish War, (1919–20), military conflict between Soviet Russia and Poland. It was the result of the German defeat in World War I, Polish nationalism sparked by the re-creation of an independent Polish state, and the Bolsheviks’ determination to carry the gains they had achieved during the

World War II, conflict that involved virtually every part of the world during the years 1939–45. The war was in many respects a continuation, after an uneasy 20-year hiatus, of the disputes left unsettled by World War I. The principal belligerents were the Axis powers—Germany, Italy, and Japan—and