How does the setting ( The Land of the Houyhnhnms)

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…Swift travels to four different foreign countries, each representing a corrupt part of England. Swift criticises the corruption of these parts, and focuses on the government, society, science, religion, and man. Not only does swift criticise the customs of each country, he mocks the naive man who has the inability to figure out the double meaning of things. Gulliver, being gullible himself, believes everything he is told, which symbolises the irony of the English system.