I believe that it is the last one: Physical punishment is cruel and inhuman.
If you ask me it starts the story going. it's like the main detail but I would have to see the whole story so it may not be right.
Answer and Explanation:
He had a letter of introduction from his sister.
The information about the Luggnaggians which the narrator
(Gulliver) offers to his audience (English people) is their traditional
customs. At some fact of the story, Gulliver gives his view on the way to
points of views of Luggnaggians by telling it in order to make his spectators
learn the conceivable errors of others and not to do it again.
