Margaret Thatcher senior member of the party and former Minister of Defence, as Foreign Minister in 1979. Although he was considered a "wet", he avoided domestic affairs and got along well with Thatcher. The first issue was what to do with Rhodesia, where the five-percent white population was determined to rule the prosperous, largely-black ex-colony in the face of overwhelming international disapproval. After the collapse of the Portuguese Empire in Africa in 1975, South Africa, which had been Rhodesia's chief supporter, realised that country was a liability. Black rule was inevitable, and Carrington brokered a peaceful solution at the Lancaster House conference
Mark Thatcher Mark Thatcher Sir Mark Thatcher, 2nd Baronet (born 15 August 1953) is a British businessman. He is the son of Margaret Thatcher, former Prime Minister of the United Kingdom, and Sir Denis Thatcher, 1st Baronet, and is the twin brother of Carol Thatcher. He has two children by his first wife, Diane Burgdorf. He married his second wife, Sarah Jane Russell, daughter of Terry Clemence, a wealthy property developer, and sister of Viscountess Rothermere, in 2008. On the death of his father in 2003 he became Sir Mark Thatcher when he succeeded to the Thatcher baronetcy, a hereditary title which