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Germany made one with the Soviet Union (Molotov-Ribbentrop pact) on 23/8 1939. Also Poland had a non-aggression pact with Stalin's Soviet, but violated in Sept 1939.
There was no way to enforce it, no country could completely abstain from fighting.
Sino-Soviet Pact
Kellogg-Briand Pact (also called the Pact of Paris)
The goal of the Kellogg-Briand Pact was to renounce the use of war for the settlement of disputed between nations.