Answer:
The sentence that uses figurative language as an implicit persuasive device is:
"The revolution is at hand, and we must free ourselves of the chains of political and economic slavery."
This sentence employs the figurative language of "chains of political and economic slavery" to evoke strong imagery and emotions associated with oppression and freedom. By comparing political and economic constraints to literal chains, the author persuasively argues for the necessity of revolution and liberation.
Explanation: