[PeterPrinciple]

I think if Hitler never back-stabs Stalin and attacks the USSR- Hitler wins.

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But Hitler knew Stalin was going to back stab him sometime in the future. If Hitler did not start the two front war, Stalin was going to.

Just a matter of when but was going to happen.

[central_va]

From what I understand Stalin has no intention of ever invading the West. Hitlers invasion was a total shock and failure of Soviet intelligence.