In the early 1980s, Margaret Thatcher described the African National Congress as a “typical terrorist organisation” and one of her MPs said that Nelson Mandela should be shot. In sharp contrast, British councils took a stand against apartheid by boycotting South African goods. Mayors around the world signed a declaration calling for the release of the man who would become not only his country’s leader, but a global icon of democracy and justice. These efforts helped to shift public attitudes towards the struggle for freedom. In an increasingly globalised world,…