 Complete the following phrase:  h. The preservation of the rural Polish-speaking minority in the Vilnius Region the intelligentsia element was mostly expelled after the war turned out to be a source of lasting friction. After 1950 Stalin, playing on the Lithuanian against the Polish insecurities, allowed the formation of a network of Polish, communist ideology-preaching schools. This Soviet policy continued also after 1956, despite Lithuanian objections. The Polish community reacted with fear to the rebirth of assertive Lithuanian nationalism after 1988 and attempted to established a Polish autonomy in the Vilnius region in 199091. After some Polish activists supported the attempted 