this is off from the original topic...but oh well! I tend to think that the war in the east would not have ended with the capture of Moscow. I don't see why it would...the government would just go somewhere else and definitely NOT surrender and the army would just go to another line of defense. eventually they would gather their numbers in men and equipment and history would be the same.
remember napolion captured Moscow and burned it to the ground...but who lost? Napolion.

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Never, never, never believe any war will be smooth and easy, or that anyone who embarks on the strange voyage can measure the tides and hurricanes he will encounter. The statesman who yields to war fever must realize that once the signal is given, he is no longer the master of policy but the slave of unforeseeable and uncontrollable events. -- Sir Winston Churchill