All kinds of borders changed after WW2, such as Yugoslavia, Soviet Union breaking up, Palestine, Sudan, Germany, Eritrea, Hawaii became a state, Tuva became par

All kinds of borders changed after WW2, such as Yugoslavia, Soviet Union breaking up, Palestine, Sudan, Germany, Eritrea, Hawaii became a state, Tuva became part of Soviet Union. Hindu Raj broke up into multiple countries. Negotiating for territory that's not its own nation and only a protectorate of another it's perfectly within the order you mention.