" And so, we've come to cash this check, a check that will give us upon demand the riches of freedom and the security of justice." a.
Simile

b.
Metaphor

c.
Allusion

d.
Personification

dude, * is in your own words, not mine.

* = the answer

dramatic irony occurs when the reader/audience knows more about a character's situation than the character does. the one main effect is that it gives the reader a sense of superiority, or detached superiority. the reader not only seemingly discovers what is revealed, but feels superior for doing so.