the dispute over is what historians identify as the beginning of the cold war
Origins of the Cold War While most historians trace its origins to the period immediately following World War II, others argue that it began with the October Revolution in Russia in 1917 when the Bolsheviks took power.[113] In 1919 Lenin stated that his new state was surrounded by a "hostile capitalist encirclement", and he viewed diplomacy as a weapon that should be used in order to keep the Soviet Union's enemies divided. He began with a new Communist International ("Comintern"), based in Moscow, which was designed to plan for revolutionary upheavals abroad. It was ineffectiveâ€”Communist uprisings all failed in Germany, Hungary and elsewhere.[114] Historian Max Beloff argues that the Soviets saw "no prospect of permanent peace", with the 1922 Soviet Constitution proclaiming:
Race to Berlin The western Allies' decision to leave eastern Germany and the city of Berlin to the Red Army – honoring the agreement they made with the Soviet Union at Yalta – eventually had serious repercussions as the Cold War emerged and expanded in the post-war era.