Brandt answered Strauß by forwarding a memorandum from the Federal Government Commissioner for Disarmament and Arms Control, Ambassador Swidbert Schnippenkötter, who clarified that the ambiguity in wording reflected “a quite conscious dissent” between the United States and the Soviet Union. Concerns about this point of legal ambiguity remained central to the lines of argument taken by NPT opponents and many NPT skeptics in Bonn through late 1969 and, to a lesser extent, though 1973 and 1974 when NPT ratification was debated.