Answer: Option C: "People must always engage in war in order to be free."
Explanation: The whole point of Key was to convey a point of freedom, especially since the setting of being a prisoner on a British ship and seeing a naval fortification getting absolutely destroyed, the American flag still stood. Plus the whole point on a freeman must stand, in order to deter the enemy's thoughts from his property and family. And all of that ties in with C.
Cheers, man.
Answer:
She combed the dog's hair short
A metaphor?? Not sure what this was to be