The message of this poem is to not forget Lincoln also it's awful because he didn't see what he accomplished. The mood of the poem created is upset and accomplish because he didn't get to see what he did. They know him as a captain because he lead them like a captain would of .
Us, The people that are living now, are unhappy but also pound because he didn't quite see what he change, but we are pound that he took the chance to help us. And that what the Poem is trying to say, Because of him "The ship is anchord safe and sound.