Give me liberty or give me death, what is the main rhetorical device used in the excerpt

I know of no way of judging of the future but by the past. And judging by the past I wish to know what there has been in the conduct of the British ministry for the last ten years to justify those hopes with which gentlemen have been pleased to solace themselves and the house

Hyperbole
Analogy
Juxtaposition
Rhetorical question

1 answer

The main rhetorical device used in the excerpt is rhetorical question. The speaker is posing a question that does not expect an answer but is instead intended to provoke thought and emphasize the lack of justification for the optimism regarding the British ministry's conduct.