Question

what does the phrase turn their stone to rust refer to (reference to the context of chapter 9 of class 8)​

Answer 1

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The blood has turned their stones to rust, Their glory to decay. ... The poet suggests to us to ask the dust of the empires which are no more now about the result of such fierce battles. The bloodshed made the strong pillars of those empires weak as rust forces iron to decay.

Answer 2

we know that The people who are economically strong threaten others of dire consequences.