How did the Great Depression and the Germany soviet nonaggression pact lead to world war2

For Germany, a nonaggression pact would guard against a two-front war and, pending an exchange of German technology for Russian raw materials, neutralize a British blockade. Soviet thought followed along similar lines; Poland would serve as a buffer state against any future German expansion

Explanation:

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to keep us neatruel and not get involved in any wars

he assumed control of treaty negotiations with a hostile power