Based on this short selection of text, how would you describe Darius’s son, Xerxes?

Xerxes was the son of Darius I and Atossa, daughter of Cyrus; he was the first son born to Darius after his accession to the throne. ... When his father died, in 486 bce, Xerxes was about 35 years old and had already governed Babylonia for a dozen years.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."

the government closely monitored its finances to avoid another financial collapse.