What is the significance of Aeschylus' trilogy "The Oresteia"?

a
It introduced the use of masks in Greek theatre.
b
It marked the decline of Greek theatre.
c
It influenced later European comedic traditions.
d
It was the first recorded tragedy.

The correct answer is d) It was the first recorded tragedy.

The "Oresteia" trilogy by Aeschylus is significant in the history of Greek theatre and literature because it is the earliest surviving complete trilogy of tragic plays. These plays were performed in ancient Athens during the 5th century BC and are considered foundational works in the development of drama. The "Oresteia" tackles themes of justice, revenge, and the morality of human actions and is an important example of ancient Greek tragedy.