to Nyasaland Treaties extended to the Colony of Sarawak Treaties extended to the Crown Colony of Seychelles Treaties extended to the Colony of Sierra Leone Treaties extended to the Crown Colony of Singapore Treaties extended to Tanganyika (territory) Treaties extended to the Kingdom of Tonga (1900–1970) Treaties extended to the Crown Colony of Trinidad and Tobago Treaties extended to the Uganda Protectorate Treaties extended to the British Windward Islands Treaties extended to the Sultanate of Zanzibar Treaties extended to British Dominica Treaties extended to the Panama Canal Zone Treaties extended to British Hong Kong Treaties extended to the Aden Protectorate Treaties extended to West Berlin