UKRAINIAN INSURGENT ARMY STRUGGLE AGAINST THE SOVIET AUTHORITIES After World War II fronts moved to the west, the OUN (Organization of Ukrainian Nationalists) underground and the rebel army was facing the enemy that was more blood-thirsty than the Third Reich troops. Stalin's executioners returned and brought with them the atmosphere of terror that reigned over the lands liberated from fascist occupation. However, the Ukrainian Insurgent Army (in Ukrainian UPA) fighters were not going to stop their struggle. In summer 1944 the UPA was reinforced with the soldiers of Galicia division that was defeated near Brody. At the time important changes took place in the UPA organization and tactics. Since the summer of 1945 its activities were transferred to Galicia, Bukovyna and Volyn. Most of the

