1. how did gulliver reach luggnagg? why did gulliver have to pose as a dutchman on his way to luggnag?

Gulliver travels to Luggnagg, posing as a Dutchman on a ship. He says, "I thought it necessary to disguise my Country, and call my self an Hollander, because my Intentions were for Japan, and I knew the Dutch were the only Europeans permitted to enter into that Kingdom."