This text summarizes the conference given by the former Prime Minister of Great Britain, Margaret Thatcher, during her visit to Centro de Estudios Públicos on March 23, 1993. At that time, the former Prime Minister discussed the circumstances under which she took over the Government of Great Britain (1979 – 1990), highlighting the central elements of her political ideals, the moral principles involved in the market economy as well as the relationship between a free society and a State of law and the battle that must be fought at all times on intellectual and communicational planes. Below are some of the answers by Mrs. Thatcher to questions asked by those attending the meeting relative to the social doctrine of the Church and capitalism, social policies, the right to self-defense and the international fight against terrorism as well as environmental regulations.