Answer:
The Roman Empire had become too large to be ruled by one emperor by the third century (this was one of the causes of the Crisis of the Third Century). It was divided, by Emperor Diocletian, into a tetrarchy. This tetrarchy was then dissolved in favor of an Eastern and Western Roman Empire.
Explanation:
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! ;)
Desiderius Erasmus is a former theologian and Dutch Renaissance humanistwho wrote important texts on techniques relating to humanism