Damned, I am playing stupid here...

Let's say that the resources, natural, men and technological count a little in this case. What counts is the strategic position, the morale and that WITHOUT a Western front, all the German resources could be used against the USSR. And I don't think the Soviets could have fought it easily.

The man power here doesn't count, because there are a lot of victoriuos Germans, more supplies and an strategic position, beside a high morale. The Russians would not have been organised properly, their morale was awful and their losses were horrendous. They could not counter attack, but they could hold a German attack on spring 1942.

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"War is less costly than servitude, the choice is always between Verdun and Dachau." - Jean Dutourd, French veteran of both world wars

"A mon fils: depuis que tes yeux sont fermes les miens n’ont cessé de pleurir." - Mère française, Verdun