The answer is infinitive phrase
The correcte answer is: "to emphasize the threat posed by Japan"
Rossevelt asked that it be a short speech that did not exceed five hundred words and focused on the essential message to reach as many Americans as possible: that the United States had been attacked by Japan by surprise and without a previous declaration of war and that the United States was willing to defeat him no matter what it cost.
This phrase means when you don't have anything to say. For example, when someone is dumbfounded, they get confused and don't talk. Someone might ask them, "Cat got your tongue?"
smth like that idk good luck man
The answer is A because you can use context clues