
Canadian prime minister who led post-war growth.
St. Laurent succeeded Mackenzie King as Prime Minister of Canada, leading the Liberal Party. He inherited a strong economy and a government experienced in post-war reconstruction.
St. Laurent's government negotiated the entry of Newfoundland into Canada as the tenth province. This completed the territorial expansion of the Canadian federation.
St. Laurent's government partnered with the United States to build the St. Lawrence Seaway, a major infrastructure project that opened the Great Lakes to ocean-going ships. The project boosted trade and economic growth.
St. Laurent's Liberal government was defeated in the federal election by John Diefenbaker's Progressive Conservatives. The loss ended 22 years of Liberal rule and marked a shift in Canadian politics.