I think the cane represents C. HIS SELF-CONSCIOUS DISPLAYS OF AUTHORITY.
Notice that when people using canes are in public, people around them make it a point to make sure that they get out of the way to ensure that the person using a cane will not be hindered. People are more quick to react or help if they find that the person in need is using a cane or is in a wheelchair.
Majority of people using canes are those who are elderly, thus gaining immediate respect and subservience from others.
By explaining the great results of his proposal, he is preparing the reader to agree with him.
By writing that his proposal will end hunger and poverty, the reader is eager to hear his plan and is predisposed to agree with him. When the reader learns of his actual plan, however, the reader is moved to shock.
The overall effect is that other plans to end poverty and hunger -- which Swift dismisses as ineffective -- now appear more reasonable.
Iambic pentameter contains 10 syllables per line, while prose contains no limit on syllables per line.
