Dramatic irony

Compare and contrast the use of the device “dramatic irony” in these two tragedies. “The Agamemnon” by Aeschylus and:” Oedipus the King” by Sophocles. Define “dramatic irony”. How is it used to move the action of each play forward? In your opinion which playwright used it more effectively. You should direct us to at least two occurrences in each play. the book name for references •Lawal, et al. The Norton Anthology of Western Literature, 8th ed or 9th ed, Vol. I pages 502-652