The best conclusion for Casper's rhetorical analysis is option B, which asserts the effectiveness of the allusion used in the 'Declaration of Sentiments' and encapsulates the argument made in the analysis.
The most effective conclusion for Casper's rhetorical analysis on the use of allusion in the "Declaration of Sentiments" would acknowledge how the allusions actively contribute to the persuasive strength of the document. Therefore, the sentence that would best serve as a conclusion is: B. Clearly, there are many reasons why the speech’s use of allusion is extremely effective and convincing. This sentence wraps up the analysis definitively by reasserting the effectiveness of allusion in the speech. It synthesizes the purpose and outcome of allusions used throughout the document, similar to how the Declaration of Sentiments itself synthesizes the issues of women's rights and the parallels to the Declaration of Independence.