P210 CEEFAX 210 Mon 17 Nov 21:35/34       The Foreign Office is considering an offer jrom Argentina to officially end hostilities over the Falkland Islands. Argentina, in what is seen as a major change of policy, said Britain had to agree to global negotiations covering all aspects of the dispute, not just sovereignty. Britain would also have to give up its 150-mile protection zone around the Falklands, Argentina said. Argentina has njvjr lifted the state of hostilities with Britain after the 1982 war. News index 102/202 Newsreel 119/219