Compass, sextant (or astrolabe), & timepieces.
As far as I am quite sure, there were definitely ships... and paddle boats.
Lanteen sails
some sail boats have moters onley big sail boats have moters not small ones
boats is the answer to your question
how did the lateen sail help the european explorers
There are sail boats, ugly boats, pretty boats, speed boats, fun boats, unfun boats, amazingness boats! i luv boats! i own a boat!!there are sail boats row boats speed boats paddle boats
By using a sail and at last resort a mortar
There are sail planes, sail boats, sail cars, and with a spaceship you could sail to the stars.
The Vikings' boats had one sail because they also had oars with which to row.
Bays
Water
Wind motion is the type of energy used by kites and sailboats.