 For Britain, union with South Africa would mean avoiding having to buy out the BSAC, leaving the burden on South Africa instead.After the war, Coghlan noted that the new Secretary of State, Winston Churchill, was determined to achieve the amalgamation of Southern Rhodesia with South Africa.For its part, the BSAC encouraged the Unionists, expecting that it would get a better price for its assets from South Africa than from Southern Rhodesia.