Answer: shift
Explanation:
Based on the information given, the rhetorical technique used is shift. It should be noted that a rhetorical shift occurs when the tone or the style of a speakers or a writer is being altered. A rhetorical shift is a can be signalled when transition words such as however, then, or but are used.
These lines demonstrate the political activism of his poetry because it goes to show his perspective on America, while also protesting against American racism which was almost at its peak at the time he wrote this poem
