Clandestine Warfare.

Terrorism, which became a major international issue in the 1970s, refers to acts or threats of violence intended to intimidate political opponents or to publicize grievances. Modern terrorists use murder, bombing, airplane hijacking, kidnapping of hostages, and assassination to force the media, public opinion, and governments to address their demands. Groups most often accused of clandestine warfare or terrorism in the 1970s included the Irish Republican Army's Provisional Wing (IRA Provos), the Palestine Liberation Organization (PLO), the Red Brigades in Italy, and the Baader-Meinhof gang in Germany.

Black September.

The most notorious terrorist action of the decade was when Black September, a PLO terrorist group, killed Israeli Olympic athletes in Munich in September 1972. Despite this widely condemned act, by 1974 the United Nations and several Arab states recognized the PLO as the government of the Palestinian people.

Amin.

In 1977 Ugandan dictator Idi Amin held...