how do the women in fahrenheit 451 say that men are most likely to die? what is the significance of this?

I'm not sure about this, but when the women are at his house with his wife, there's a discussion about Mrs. Phelp's husband leaving for war. Then Montag begins to read the women the poem, "Dover Beach," after which Mrs. Phelps proclaims that war is caused by "the evil, emotional messiness of poetry."