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State four measures that were taken to improve the Great lakes and St. Lawrence seaway

State four measures that were taken to improve the Great lakes and St. Lawrence seaway

Answers

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a. Construction of canals to bypass obstacles and connect lakes.
b. Construction of dams to overcome rapids.
c. Dredging of the shallow sections to increase depth.
d. The Rocky islands and bottlenecks were removed by blasting using explosives.
e. Introduction of icebreakers in winter to keep the route open at the seaward end.
maalimA answered the question on March 29, 2019 at 15:36

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