Context: At the end of World War II Soviet troops occupied southern Sakhalin Island and the Kuril Islands, making them part of the RSFSR. The status of the southernmost Kurils remains in dispute with Japan.

Question: Along with Sakhalin Island, what islands were occupied by the Soviets after the Second World War?
Answer: Kuril Islands

Question: What administrative division did Sakhalin Island become a part of?
Answer: the RSFSR

Question: The ownership of what islands are disputed with Japan?
Answer: the southernmost Kurils

Question: Along with Sakhalin Island, what islands were occupied by the Soviets after the First World War?
Answer: Unanswerable

Question: Along with Sakhalin Island, what islands were not occupied by the Soviets after the Second World War?
Answer: Unanswerable

Question: What administrative division did Sakhalin Island not become a part of?
Answer: Unanswerable

Question: What military division did Sakhalin Island become a part of?
Answer: Unanswerable

Question: The ownership of what islands are not disputed with Japan?
Answer: Unanswerable