I would suggest the biggest stumbling block to a war between the eastern and western allies would be the troops and civilians of the democracies themselves. The Red Army were heros to the troops of the Western Allies. They held and then beat the German war machine while suffering horrendous casualities and civilian losses. On the homefront too Uncle Joe and the brave Russian people had fought Hitler while the US and Britain could build up enough strength to attack. Now, all of a sudden they were the real enemy?
The governments of the allies had been lying to their people since 1941? The aggression Germany showed against France was justified? That the brutal occupation of the conquered territories was ok? The Battle of Britain was a mistake? Hitler and the Germans were not that bad?
No US President would fundamentally change the overall strategy formulated for the global war effort. Germany first, total surrender and disarmament so that they were not a threat even if unconditional surrender was not raised. Then concentrate on the Pacific which was America's war. It was the Japanese who attacked Pearl Harbour after all.
To successfully attack, defeat and occupy Japan the Red Army was essential. The atomic bomb was a theoretical possibility which was not certain to work. Even the Los Alomos scientists could not guarantee it would work or how effective it would be.
Just about everyone thought the Red Army had earned the right to be the first to occupy Berlin. It was seen as an honour rather than as a strategic issue. Churchill certainly still thought in 1944 that Soviet withdrawl from Poland could be negotiated. If Truman had allowed Soviet input into the general settlement of western Europe including Italy, which did not mean cedeing territory but was purely symbolic, then some accomodation may have been possible.
The governments of the allies had been lying to their people since 1941? The aggression Germany showed against France was justified? That the brutal occupation of the conquered territories was ok? The Battle of Britain was a mistake? Hitler and the Germans were not that bad?
No US President would fundamentally change the overall strategy formulated for the global war effort. Germany first, total surrender and disarmament so that they were not a threat even if unconditional surrender was not raised. Then concentrate on the Pacific which was America's war. It was the Japanese who attacked Pearl Harbour after all.
To successfully attack, defeat and occupy Japan the Red Army was essential. The atomic bomb was a theoretical possibility which was not certain to work. Even the Los Alomos scientists could not guarantee it would work or how effective it would be.
Just about everyone thought the Red Army had earned the right to be the first to occupy Berlin. It was seen as an honour rather than as a strategic issue. Churchill certainly still thought in 1944 that Soviet withdrawl from Poland could be negotiated. If Truman had allowed Soviet input into the general settlement of western Europe including Italy, which did not mean cedeing territory but was purely symbolic, then some accomodation may have been possible.