of the six advantages swift enumertes, which one might be considered the most sardonic? (paras. 21-26)

Swift's sixth advantage cites that the institution of marriage serves both social and political purposes. His thoughts that marriage might be improved, and that husbands and wives would be motivated to care for each other and their children as a direct result of monetary gain is completely sardonic.

Explain how swift uses the essay to satirize both his subject and the vehicle he employs