just over 50 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 3rd parties seeking to keep the gains of a revolution at any cost russia agreed to the humiliating conditions of the breast with treaty of 1918 which turned ukraine into a german protectorate another historical document that changed the fate of ukraine was the molotov ribbentrop pact of 19391 of many such agreements being signed between european countries and rising germany.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 1939 eastern poland awoke to be western ukraine and a part o