The first sentence of your answers
O Captain!<span> my Captain!</span><span> rise up and hear the bells;</span>
Rise up—for you the flag is flung—for you the bugle trills,
For you bouquets and ribbon'd wreaths—for you the shores a-crowding,
<span>For you they call, the swaying mass, their eager faces turning;</span>
The jar in Wallace Stevens's "The Anecdote of the Jar" most likely symbolizes <span>human order and the drive to arrange things according to a pattern. It is there to say that nature cannot be controlled by humans - no matter how hard the narrator tries, he cannot fit the whole of Tennessee into the jar, the same way a man cannot dominate over nature.</span>