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Rafts.
A raft is a simple floating structure, usually made by tying together floating material like animal skin, papyrus
stalks or logs
The earliest people to make rafts were the Australians. They made rafts called catamaran by tying logs
together. Long poles were then used to drive the raft.
Rafts however sank easily and required a lot of manpower upstream.
i)Canoes.
A canoe was a narrow boat that was propelled by one or more paddles. The oldest canoe was made by
stripping the bark from trees (bark canoes). Later a new canoe was made from a hollow on a log (dug-out
canoe)In Kenya, canoes are used for transporting people and goods and for fishing in inland lakes and rivers.
ii)Oar-driven boats.
Boats are small vessels for travelling on water and are powered by oars, sails or motor. The Egyptians
pioneered in the building of boats that used oars (a short wooden pole with a flat end) instead of paddles in 3000BC. The Phoenicians, Greeks and the Romans developed oardriven trading vessels and warships.
iii)Sailing ships.
Humankind learned that the wind could move a boat more easily than human beings if the ship had a piece of cloth fixed on poles (sail). The Egyptians used the sailing ships by 3000BC on the Mediterranean and Red seas.The Greeks made sailing ships known as galleys which were used for trade and war. They used war galley known as triremes to defeat the Persians and Phoenicians.Sailing ships were depending on monsoon winds discovered by Hippalus. The Arabs and Persians relied on the monsoon winds to reach the east African coast.
Githiari answered the question on October 13, 2017 at 20:50
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