It prevented the settlers from moving West of the Appalachian Mountains, hope this helps!!
Answer:
Puerto Rico, Guam and the Philippines
Explanation:
<span>Aristarchus was an astronomer who taught that the sun was the center of the universe.
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so B.the center of the universe. is the answer
the system of electrons surrounding the nucleus of an atom. The name electron cloud is an informal way to describe an atomic orbital.
C. Lee's loyalty was torn between the Union, and his home state of Virginia
