Read the excerpt from The Republic by Plato.

And our State must once more enlarge; and this time the enlargement will be nothing short of a whole army, which will have to go out and fight with the invaders for all that we have, as well as for the things and persons whom we were describing above.

Why? he said; are they not capable of defending themselves?

No, I said; not if we were right in the principle which was acknowledged by all of us when we were framing the State: the principle, as you will remember, was that one man cannot practise many arts with success.

Read the excerpt from Utopia by Sir Thomas More.

The chief, and almost the only, business of the Syphogrants is to take care that no man may live idle, but that every one may follow his trade diligently; yet they do not wear themselves out with perpetual toil from morning to night, as if they were beasts of burden, which as it is indeed a heavy slavery, so it is everywhere the common course of life amongst all mechanics except the Utopians.

Which rhetorical device do Plato and More use in these excerpts?

ethos, by relying on the skills of armies and leaders, respectively

kairos, by emphasizing why their claims are important and necessary

logos, by laying out how perfect governments should be conducted

pathos, by dwelling on the importance of having a protected country