71.   No reason was given for the resignation, but differences had reportedly emerged in past weeks between Marx and his boss, Economy Minister Domingo Cavallo.

72.   Officials said that differences emerged on redeployment in rural areas.

73.   Since the summit, serious differences have emerged between the president and the prime minister.

74.   The new deal is to lead to the eventual creation of a free-trade zone, but differences have emerged over the timetable.