The question asks us to identify the more powerful entity between "sword" and "pen" by filling in the blank in the sentence: "Of the sword and pen, the ...... is more powerful."
Let's analyze the options:
Therefore, the correct completion of the sentence is: "Of the sword and pen, the latter is more powerful."
Explanation: The expression "the pen is mightier than the sword" suggests that writing (the pen) is a more effective tool for communication and change than force (the sword). In this sentence, "latter" correctly identifies the second item mentioned (the pen) as more powerful.
Poetic Devices: Identify the poetic device used in the following line: "The wind whispered through the trees."