Japan–North Korea relations economic isolation, which has caused serious shortages of food, energy, and hard currency. Normalization of relations with Japan also raises the possibility of North Korea's gaining monetary compensation for the period of Japan's colonial rule (1910–45), a precedent set when Japan normalized relations with South Korea. The first round of normalization talks was held January 30–31, 1991, but quickly broke down over the question of compensation. Pyongyang has demanded compensation for damages incurred during colonial rule as well as for "sufferings and losses" in the post-World War II period. Japan, however, insists that North Korea first resolve its differences with
War crimes in occupied Poland during World War II at Chełmno according to postwar verdict by West Germany, although up to 340,000 victims were estimated by the Polish Main Commission for Investigation of German Crimes in Poland (GKBZNwP), a predecessor of the Institute of National Remembrance. Following the Wannsee Conference of 1942, as part of highly secretive Operation Reinhard in occupied Poland, the German government built three regular killing centres with stationary gas chambers. It was the most deadly phase of the Final Solution, based on implementing semi-industrial means of killing and incinerating people. The new facilities included Treblinka extermination camp (set up in July 1942), Bełżec (March 1942),