Nationalism requires warfare on behalf of local capitalists, to be sure. Competition between workers and owners fuels strikes and much violence, to be sure. By itself, capitalism wants peace on land, sea and in the air. By itself, capitalism want peace in the factory, classroom and shop. By itself, capitalism wants violence, murder, and robbery off the streets.
Capitalism requires complete honesty on the part of workers, managers, customers and suppliers.
By itself, capitalism requires children be fed, dressed, taught, and trained to be honest, loyal and productive citizens. But have patience. I am building a lecture for you to use in your classroom. You must start where the students are. You must honor what they can see all about themselves.