I am 100% sure the answer is A
The answer is <span>(a) The Church believed that the Earth was at the center of the universe.
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Copernicus' ideas were very unpopular and not logical at the time; most of the world believed in religion. As you can probably tell, Copernicus won in the long run. Now we all KNOW that Earth is indeed not the center of the universe.
Good luck! ;)
Genghis Khan forged the initial Mongol Empire in Central Asia, starting with the unification of the Mongol and Turkic confederations such as Merkits, Tartars, and Mongols