 The SAP was a merger of the South African Party and the Afrikaner Bond of the Cape Colony, Het Volk of Transvaal and Orangia Unie of the Orange Free State.The Progressive Party of the Cape Colony merged with the Progressive Association of Transvaal and the Constitutional Party of the Orange Free State to form the Unionist Party.The southern Natal province had no institutionalized parties, but politicians from the province joined the new parties.