Where is the map? you have to include it
Black holes can indeed move through space. ... Astronomers know about the rapid motion of this black hole because it has a nearby companion star that's slowly being pulled apart by the gravity of the black hole.
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The most impact battle was the battle of Gettysburg
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1-John Deere’s plow
2-farmers no longer needed to harvest hand (McCormick’s reaper)
3-more cotton could be processed more quickly (Whitney’s cotton gin)
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