State the Hurdles that necessitated construction of St. Lawrence Seaway.

      

State the Hurdles that necessitated construction of St. Lawrence Seaway.

  

Answers


Kavungya
- Presence of rapids and waterfalls in he waterway.
- Shallow and narrow sections along the water way.
- Blocked navigation during winter as water froze.
- Different levels between the lakes with some areas shallower than others.
Kavungya answered the question on May 27, 2019 at 12:43


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