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It is 136 km between welland and toronto.
The Panama Canal was built by digging out a large trench in Panama for boats to travel through. This ditch-like trench would be supported by many locks.
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To have clearance under the many low and immovable bridges built over the canals.
== == Each year over 14,000 vessels pass through the Panama Canal.
According to the Erie Canal web site: " In many cases, the boats were also home for a family, as the father would captain the boat, the mother would be the cook, and the children would play or help out as needed."
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They are useful because they are the source of which many boats travel on. It is also very traditional in Dutch culture and many other cultures too.
The boats have to be raised 85 feet to get to the top of the Panama Canal. It is done in three steps up and three steps down.
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Canals were built for transport and for boats to go on them. Canals exist in many parts of the world; some of the most important are the Suez Canal, at the eastern tip of the Mediterranean (cutting through the Sinai desert) and the Panama Canal, in Central America. Canals are built to enable ships and boats to travel from one body of water to another. In the case of the Suez Canal, the Mediterranean is connected to the Red Sea leading to the Arabian Sea, and in the case of the Panama Canal, the Atlantic Ocean is connected to the Pacific Ocean. Canals make it possible for ships to get to their destinations faster and more efficiently.