There were many technological changes that the Portuguese contributed. First of all they observed the way the Arab vessels were designed and then improved on them to make their own ships faster. They also created the caravel vessel by "increasing the ratio of beam (width at the broadest point of the hull) from 2:1 to 3:1, borrowed the lateen (triangular) sail from the Arabs, and combined it with squar

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Approximate Word count = 496
Approximate Pages = 2 (250 words per page double spaced)