CANADIAN TRADE PACT SIGNED. ADMINISTRATION OFFICIALS RALLIED IN THE EXECUTIVE OFFICE OF THE WHITE HOUSE TO WATCH PRIME MINISTER WILLIAM MacKENZIE KING OF CANADA AND SECRETARY OF STATE CORDELL HULL SIGN THE RECIPROCAL TRADE TREATY DESIGNED TO STRENGTHEN FRIENDSHIP AND ECONOMIC RELATIONS BETWEEN UNITED STATES AND CANADA. PRESIDENT ROOSEVELT, RIGHT, SMILINGLY WATCHES THE APPLICATION OF BINDING SIGNATURES. SECRETARY HULL IS LEFT, AND MacKENZIE KING CENTER. CABINET OFFICERS AND OFFICIALS ARE IN THE BACKGROUND