What is the chief subject of conversation between gulliver and the king of brodingnag?

As is outlined in chapter six of Book II of Gulliver's Travels, the main conversation between Gulliver and the King consists of Gulliver relating the governmental and court structure of England, and the King remarking upon it. They debate this subject quite extensively during five separate conversations. They also discuss the social classes, habits, and affairs of the English people.