Explain Kat's idea of war should be fought?

From the text:

 "Give 'em all the same grub and all the same pay and the war would be over and done in a day"

Kat believes that if everyone, officers included, were forced to live in the same conditions, they'd be ready to end conflicts and settle them far sooner.

Kat believes that if everyone, officers included, were forced to live in the same conditions, they'd be ready to end conflicts and settle them far sooner.