Welches Land war keine "Alliierte Besatzungsmacht" in Deutschland?

Why this is the correct answer

Japan was a member of the Axis alliance alongside Nazi Germany and Fascist Italy, fighting against the Allied powers rather than with them. After Japan's surrender in September 1945, it was occupied solely by the United States and had no role in administering post-war Germany. Only the four major Allied powers — the US, USSR, UK, and France — divided Germany into occupation zones.