Yes,margaret thatcher was a good prime minister.She held the position of united kingdom prime minister from 1979 to 1990.She brought down income taxes and brought up goods and services taxes.She increased the proportion of a loan that is charged as interest to the borrower, to slow the growth of the money supply and as a result of that inflation was lowered.She raised the value added tax,motor fuel tax ,and National insurace contributions,which had a positive effect on middle and low income people.She hostiled social programs ,continued the main commitments to social security,the national health services,and schools.She worked on reducing immigration because of conservatives claims that british civilization was threatened by immigrants.Also,she made a firm opposition to racial discrimination against people who had already settled in britain.