D I took this test and I believe this was it
Answer:Over the centuries, the Great Wall has been built and rebuilt for three main purposes: as kingdom border defenses, to defend China's northern border, and for tourism. Read on to see why China built, or did not build, the Great Wall in different historical periods.
Explanation:hope I helped!
The conceiver of one of mankind's coolest ideas for boundless clean energy died last week. He was 90 and first published his ideas in 1968, a year before NASA put a man on the moon. In its December 1972 issue, Popular Science described engineer Peter Glaser's proposal:
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The Regulator Movement highlighted the differences between the eastern and western parts of North Carolina. Angered by corruption and scandal in the government, including unfair taxation, the Regulators formed in 1764 to stop it. Initially they only held protests, but over time the movement grew violent.
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