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6. answer
One of these was the astrolabe, a portable device used by sailors to help them find their way. By measuring the distance of the sun and stars above the horizon, the astrolabe helped determine latitude, an important tool in navigation
4. answer
The Spanish were among the first Europeans to explore the New World and the first to settle in what is now the United States. By 1650, however, England had established a dominant presence on the Atlantic coast. The first colony was founded at Jamestown, Virginia, in 1607
3. answer
The colony was founded mainly by sugar planters from Barbados, who brought relatively large numbers of African slaves from that island to develop new plantations in the Carolinas. To meet agricultural labor needs, colonists also practiced Indian slavery for some time
Explanation:
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