Could Hitler and Stalin have won by allying with Slavs and the Caucasus?

new nazi region, Stalin and hitler form alliance
new nazi region, Stalin and hitler form alliance
north caucasians
north caucasians
balkans
balkans
slavs
slavs

In this scenario Stalin and Hitler would form an alliance, all of non Western Europe would fall into their control. Many historians consider Hitler not uniting with Persia, Armenia, Georgia, the other "Aryans" as a huge issue in his war strategy as well as not working with Eastern Europe and considering them racially inferior.

Could Hitler and Stalin have won by allying with Slavs and the Caucasus?
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