High Quality Content by WIKIPEDIA articles! The anti-communist resistance in Poland (1944–1946), also referred to as the Polish anti-Communist insurrection, was an armed struggle of Polish Underground against the Soviet takeover of Poland at the end of World War II in Europe. The guerrilla warfare, conducted by the resistance movement formed already during the war, included an array of military attacks launched against the Communist prisons and detention centers, state security offices, detention facilities for political prisoners, and prison camps set up across the country by the Soviet authorities.