Answer:
Maritime history of Europe includes past events relating to the northwestern region of Eurasia in ... Roman galleys helped to build the Roman Empire. ... The volume of trade that the Roman merchant fleet carried was larger than any other ... and the galleon, where for the first time in history maritime navigation was possible.
The answer is b because the empire made an advance
Eli Whitney used them to assemble muskets in the 19th century, it’s allowed unskilled workers to produce large numbers of weapons quick and at a lower cost and made repair and replacement of parts cheaper and more efficient
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