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Hear the iron and brass
Ringing above their voices, as they snatch
The arms that seem to fight among themselves,
Seized by their masters' anguish; dost thou hear
The clumsy terror in the camp, the men
Hasting to arm themselves against our God,
Ozias?

Word:

themselves

Question:

Why do the iron and brass appear to be "fighting among themselves" in this sentence?

Answer (optional):

The iron and brass appear to be "fighting among themselves" in this sentence because the enemy soldiers are hastily and desperately grabbing weapons in a state of fear and chaos, as if the weapons were fighting each other in the confusion.