To persuade. To entertain. And to inform.
The final lines of the poem actually show that he has given up and has lost all hope where he says
<span><span>And the lamp-light o'er him streaming throws his shadow on the floor: </span><span>And my soul from out that shadow that lies floating on the floor </span><span> Shall be lifted—nevermore!
The narrator's soul will never recover from the loss.</span></span>
The answer is Abandoned.
Since she <u>Needed</u> to leave she <u>Abandoned</u> the pumpkin patch which means to leave behind for a reason.