At the beginning, the Americans have no opinion about it, and when John Foster Dulles was appointed as the Consultant to the Department of State, he gradually made the U. S. policy that it is the Japan’s responsibility to compensate the United Nations and its’nationals’property which subject to damage or loss under the control of Japan.
约翰·杜勒斯出任国务院政策顾问并具体负责对日和约问题后,美国逐渐确认其要求日本对盟国在日财产进行补偿的政策。
参考来源 - 盟国在日财产处理问题研究