how does a rhetorical device support Garrison's use of kairos in this excerpt
a) anti-thesis contrasts as the weakness of Garrison's previous position with the urgency of his current position
b) irony suggests that garrison understands the problem better than most people
c) metonymy suggest that the idea of an immediate enfranchisement is similar to that of gradual abolition
d) Zeugma contrasts a missed opportunity with a new opportunity