"must speak and speak again..."See in text(Text of the Poem)
The repetition of “speak” in this line provides a rhetorical emphasis on the process of protesting, creating an urgent tone during this call to action. Daring to speak is important, but in order for real change to occur, protesting must be understood as a process that requires constant vigilance.
"Had no voice been raised..."See in text(Text of the Poem)
After making her initial claim that protesting is important to human advancement, Wilcox then supports this by stating what would have happened had people not actively protested. By supporting a claim with evidence, even hypothetical evidence about past events that did not happen, Wilcox adds power to her claim by reminding readers of what has been accomplished and what has been avoided.