Dramatic irony means that the audience knows something the characters do not. For example, in the beginning of Hamlet, we know immediately that Claudius was the one who killed Hamlet's father, however, he doesn't know that from the very start.
Answer: I believe the answer is personification.
Explanation: Philllis Wheatley's description of mother earth having offspring and nations gazing at scenes are not exaggerations, but rather putting human nature attributes to these objects.
Watching the scene performed was a completely different experience from reading it. The performance emphasizes the body language and facial expressions of the actors as a means of conveying meaning. These elements are missing from the text of the scene and must be imagined by the reader.