Three Prime Ministers of Canada and Their Contributions. This twelve-page undergraduate paper outlines the contributions made by three prime ministers of Canada: Sir John A. Macdonald, Pierre Elliott Trudeau, and Sir Wilfred Laurier. There are similarities between them. 12 pgs. Bibliography lists 5 sources. Pages: 12 Bibliography: 5 source(s) listed Filename: 7113 Three Prime Ministers.doc Price: 107.40