Former British prime minister Margaret Thatcher died on Monday , aged 87 . During her time in office , the Conservative leader 's policies polarized the UK . She was a strong supporter of nuclear disarmament and an opponent to NATO expansion into Eastern Europe. Britain went to war with Argentina over the Falkland Islands during her premiership .
Former British prime minister Margaret Thatcher died on Monday , aged 87 . During her time in office , the Conservative leader 's policies polarized the UK . The `` Iron Lady '' privatized state-run industries and did battle with trade unions . Britain went to war with Argentina over the Falkland Islands during her premiership .