Final answer:
Jonathan Swift's 'devoured the parents' metaphor in 'A Modest Proposal' critiques the landlords' exploitation of Irish tenants, suggesting their economic practices figuratively consume the livelihoods of the poor.
Step-by-step explanation:
In Jonathan Swift's satirical work, A Modest Proposal, the phrase "the landlords devoured the parents" uses a metaphor to criticize the oppressive economic practices of landlords in 18th-century Ireland. Swift suggests that the landlords are figuratively consuming the well-being and resources of the tenants, leaving them impoverished and unable to care for their children. Therefore, in a bitterly ironic tone, Swift proposes that the children might as well be treated as a source of food, highlighting the dire economic exploitation of the poor by the wealthy landowners.