What are the reasons for governments to restrict free trade? Are these valid in the 21st century?

Essay from the year 2012 in the subject Business economics - Trade and Distribution, University of New England, course: International Business, language: English, abstract: The term “free trade” has different meaning to different interest groups. It is because of the different lenses through which people view events around them, the free trade debate is so complex. Although the economists have a n...