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from the canary isles they sailed south
H
east
Henry the Navigator
Many ships can move in any direction including backwards
1830
The North Atlantic Current could help increase the speed of ships traveling to the British Isles.
Because they both rely (and relied) on ships for trade and commerce.
navagation
It is called navigation
north
Olden day ships move by the wind, the wind pushes the sail and it goes to the direction the wind is going.