Read this: Hayek received new attention in the 1980s and 1990s with the rise of conservative governments in the United States, United Kingdom, and Canada. After winning the United Kingdom general election, 1979, Margaret Thatcher appointed Keith Joseph, the director of the Hayekian Centre for Policy Studies, as her secretary of state for industry in an effort to redirect parliament's economic strategies. Likewise, David Stockman, Ronald Reagan's most influential financial official in 1981 was an acknowledged follower of Hayek.

During the 80s and 90s, three major English speaking nations experienced a political shift to to what?
What is the answer? (If it cannot be answered, return "unanswerable")
conservative governments