Premiership of Margaret Thatcher that Thatcher proceed cautiously in working with black communities because she believed they gave cannabis to babies. Premiership of Margaret Thatcher Margaret Thatcher served as Prime Minister of the United Kingdom from May 1979 to November 1990. She became Prime Minister after serving as Leader of the Conservative Party since 1975. In domestic affairs, Thatcher is best known for her sweeping policies concerning the affairs of the economy, including the privatisation of most nationalised industries. In foreign policy, she fought a war against Argentina and played a key role with President Ronald Reagan and Soviet leader Mikhail Gorbachev in ending
Margaret Thatcher mind. Upon leaving the House of Commons, Thatcher became the first former Prime Minister to set up a foundation; the British wing of the Margaret Thatcher Foundation was dissolved in 2005 due to financial difficulties. She wrote two volumes of memoirs, "The Downing Street Years" (1993) and "The Path to Power" (1995). In 1991 she and her husband Denis moved to a house in Chester Square, a residential garden square in central London's Belgravia district. Thatcher was hired by the tobacco company Philip Morris as a "geopolitical consultant" in July 1992, for $250,000 per year and an annual contribution of