Which area did not contain monstrosity that spread the christian faith and preserve the knowledge of europe in the medieval time

I think you mean monasteries. The answer is probably the middle east and Arabian countries.

Explanation:

c is the correct answer for this question.

tenochtitlan (also spelled tenochtitlán), located on an island near the western shore of lake texcoco in central mexico, was the capital city and religious centre of the aztec civilization. the traditional founding date of the city was 1345 ce and it remained the most important aztec centre until its destruction at the hands of the conquering spanish led by hernán cortés in 1521 ce, which led to the final collapse of the aztec empire.