What does the phrase, intervention of the Gods, mean?

The Gods would intervene. Intervene's definition:

come between so as to prevent or alter a result or course of events.

"he acted outside his authority when he intervened in the dispute"

Explanation:

The gods would stop, prevent, or alter something, as to create a different outcome.

can’t really write an essay but think about ur goal and think “how would i do this” sorry if it didn’t

the answer is a because the astrophel does more and sidney goes to the astrophel more than stella.