Which statement best describes the Aztecs?

The statement which states the Aztecs as brilliant builders can probably best describe the Aztecs.

Explanation:

The Aztecs were very intelligent and scientific. They had knowledge of mathematics and science. The archaeological evidence unearthed  has also shown records of the Aztec's excellent scientific minds.The temples that have been uncovered by archaeologists suggest it is open evidence for their magnificent temples. The strong structure and beautiful architecture suggest their love for the science of buildings. The Aztecs also build magnificent city's and laid out the structure of the huts in the city in an amazing pattern. The engineering of the building that the Aztecs mastered at that time indeed labels them as brilliant builders.

4.a depression is the answer