Use complete sentences explain how nationalism can be harmful

It encourages arguments (like us vs. you). It makes others feel superior and selfish. It causes harm to countries and causes violence. A nationalist leader might lie to maintain superiority. Here's an example that might help: America is the greatest country on Earth. Hope I helped!

answer; (religion)

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.