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The St. Lawrence Seaway was built through a collaborative effort between the United States and Canada. Construction began in the 1950s and was completed in 1959, involving significant engineering projects including dams and locks. The seaway was designed to facilitate shipping and navigation between the Great Lakes and the Atlantic Ocean, enhancing trade and economic development for both nations. Key figures in its development included the U.S. Army Corps of Engineers and various Canadian agencies.

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2w ago

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