Given the question: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "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."?
The answer is:
What did the soviet troops do with the islands?