Some , having spent decades away and having started families of their own , elected not to permanently settle in Japan and remain where they were .
Some ended up spending decades living in the Soviet Union , and could only return to Japan in the 1990s .
Some , having spent decades away and having started families of Some 's own , elected not to permanently settle in Japan and remain where they were .
Some ended up spending decades living in the Soviet Union , and could only return to Japan in the 1990s .