There where many things that was almost put into action that would, almost for certain have made a huge diffirence on the war. One of the reasons is that the British parlament and Churchil was ready to declare war on Russia when they invaded Polan, what if they did.
That would have lead to that Russia and Germany together had England as a foe, would that have changed the outcome of the war ?
That would have lead to that Russia and Germany together had England as a foe, would that have changed the outcome of the war ?