Answer:
Repetition,
metaphor,
personification,
climax and reference were rhetorical strategies Obama used in his campaign speeches.
Step-by-step explanation:
What is the rhetorical device?
An author or speaker employs a rhetorical device, also known as a persuasive device, persuasive device, or stylistic device, to persuade the listener or reader of meaning with the intention of convincing them towards considering an issue from a perspective.
The response explains three of Obama's rhetorical strategies (emotional appeal in paragraph 2, logical argument in paragraph 3, and use of simile in paragraph 4).