What is the difference between a crime and a war crime?

Why is the supremacy clause considered to be the root of federalism?

In recent years, there have been two major criticisms of congress and how it promotes the public good. describe these two in two paragraphs

If you cannot see clearly around your car 100 ft in all directions as you approach an intersection, you should: a. make sure you're driving in the center lane b. reduce your speed to 15 mph c. wait to turn until the next intersection