"East Germany" . . "a failed ''coup d'\u00E9tat''" . . . . "1972 Republic of the Congo coup d'\u00E9tat attempt" . "Republic of the Congo" . "*Marien Ngouabiremains in power" . "Pro-Ange Diawarafaction" . "Supported by:" . "1972-02-22" . . . "1972 Republic of the Congo coup d'\u00E9tat attempt" . . "coup against the People's Republic of the Congo's" . "People's Republic of the Congo" . "1972 coup plot" . "attempted ''coup'' in 1972" . . . . . "Coup fails" . .