What do the signers pledge to do at the end of the declaration of independance

With this last sentence of our Declaration of Independence, the fifty-six signers of that document not only committed themselves to uncompromising, complete devotion to the American Republic, they charted a path for all patriots to come.

from: "the tragedy of julius caesar by william shakespeare: act 1 "

the correct answer is:

act 1 opens with the forum in celebration and ends with it in chaos.

c. nature verses humanity is correct