I believe the linking verb is “will”. It’s linking the subject “the United States of America” and the predicate “be 300 years old!”
Synecdoche - <span>They drive their keels o'er the darkling wave</span>
Alliteration - Grim and greedy, he grasped
Kenning - The whale-path
Epithet - The Ruler-of-Man
The function of the noun phrase <em>Green, leafy vegetables </em>in this sentence is that of the subject of the sentence.
What contains important vitamins for a healthy body? - Green, leafy vegetables.
Yu Tsun killed Stephen Albert just to send a message to The Chief that the English weapons were stored in the town of Albert.
