What was the most important form of literature during the golden age of greece?

The correct answer to this open question is the following.

The most important form of literature during the Golden Age of Greece was Tragedy, Drama, and philosophical studies.

Among the most renowned Greek authors of the Golden Age in Greece, we find Aeschylus, the Father of the Greek Tragedy. There were also Euripides, Sophocles. Atrsithophanes started the writing of some comedies. Regarding philosophy, Socrates, Plato, and Aristotle are considered to be some of the most influential philosophers of all time.

the population grew a lot and was making more money

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.