Streamlining the Cities was issued by the government of what British stateswoman who was Prime Minister of the United Kingdom from 1979 to 1990?
Margaret Thatcher Margaret Hilda Thatcher, Baroness Thatcher, {'1': ", '2': ", '3': ", '4': "} (née Roberts ; 13 October 1925 – 8 April 2013) was a British stateswoman who was Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the longest-serving British prime minister of the 20th century and the first woman to have been appointed. A Soviet journalist dubbed her the "Iron Lady", a nickname that became associated with her uncompromising politics and leadership style. As Prime Minister, she implemented policies that have come to be known as Thatcherism.
Joan Ruddock Dame Joan Mary Ruddock, DBE (née Anthony; born 28 December 1943) is a British Labour Party politician who served as the Member of Parliament (MP) for Lewisham Deptford from 1987 to 2015. Ruddock was Minister of State for Energy at the Department of Energy and Climate Change until 11 May 2010. She stood down at the 2015 General Election.