Earth hath swallow’d all my hopes but she,<span>She is the hopeful lady of my earth:</span>
The answer is <span>forest fires. those are very common in the savanna because of the dry grass.</span>
There is no dramatic irony in the pit and the pendulum but there is situational irony.
Why does John resist the narrator's attempts to stimulate her mind and express her thoughts? He thinks it will make her condition worse. He wants to be the creative one in their marriage. He thinks it will keep her from more productive work.