Answer:B
Explanation: They were very picky as in the varieation of diets
Answer:
Firing on the planes would have been considered an act of war.
Explanation:
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Copernicus proposed that the Sun, not the Earth, was the center of the Solar System. Such a model is called a heliocentric system.
The answer is the An Lushan Rebellion. The rebellion cost the lives of hundreds of thousands. Although the Tang won the rebellion cost them their central government and the military as well as the economy.