President Jimmy Carter initially wanted to nominate George Ball to become Secretary of State, but, fearing Ball was too liberal to be confirmed, nominated Vance instead. Vance played an integral role as the administration negotiated the Panama Canal Treaties, along with peace talks in Rhodesia, Namibia and South Africa. He worked closely with Israeli Ministers Moshe Dayan and Ezer Weizman to secure the Camp David Accords in 1978. Vance insisted that the President make Paul Warnke Director of the Arms Control and Disarmament Agency, over strong opposition by Senator Henry M. Jackson.