Answer:
Furthermore, Arab sailors applied their vast astronomical knowledge, accumulated over centuries of desert crossings, to high sea navigation. Among other contributions, the lateen sail, which allows ships to sail against the wind, was also invented by Arab sailors in the Indian Ocean.
Explanation:
What do you mean I can help but the question isn't very clear
Answer: new federal law Emplaced.
Explanation:
On the first day of January, 1808, a new Federal law made it illegal to import captive people from Africa into the United States. This date marks the end—the permanent, legal closure—of the trans-Atlantic slave trade into our country.
