Trade pacters. Wash. D.C. Prime Minister William MacKenzie King, of Canada, left, and U.S. Minister Norman Armous, arrive in Washington to take part in the signing of the Canadian-U.S. trade pact. Armour and MacKenzie King have been working on this pact since the Canadian elections. Details were concluded when the Prime Minister recently visited Washington. The importance of the treaty may be judged by the fact that Canada is the second largest foreign customer for U.S. goods, 11/15/35