Lincoln's "Gettysburg Address."

It is for us the living, rather, to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced.

Whitman's "O Captain! My Captain!".

Exult, O shores, and ring, O bells!
But I, with mournful tread,
Walk the deck my Captain lies,
Fallen cold and dead.
Which rhetorical appeal do both excerpts use?