just over fifty years later as the russian swedish war was raging another ukrainian leader ivan mazeppa bro. the union with russia when he switched sides joining forces with the swedish invaders many times ukrainian history was written by third parties seeking to keep the gains of a revolution at any cost russia agreed to the humiliating conditions of the breast with treaty of one nine hundred eighteen which turned ukraine into a german protectorate another historical document to change the fate of ukraine was the molotov ribbentrop pact of one thousand nine hundred thirty nine one of many such agreements being signed between european countries and rising germany. attempting to protect his nation from the approaching nazi threat. joseph stalin negotiated a treaty of nonaggression with adolf hitler while promising each other piece of the soviet and german foreign ministers molotov and ribbentrop realigned the map of eastern europe splitting it into german and soviet spheres of influence. no sooner had the mala tav ribbentrop pact been signed then poland was split and in september of one nine