Book XXI: Drum-Taps - Long, Too Long America

Long, too long America,
Traveling roads all even and peaceful you learn'd from joys and 
        prosperity only,
But now, ah now, to learn from crises of anguish, advancing,
        grappling with direst fate and recoiling not,
And now to conceive and show to the world what your children 
        en-masse really are,
(For who except myself has yet conceiv'd what your children en-masse
        really are?)