Which of the following statements is true about the American system of federalism?

Answer 1

1) The federal government has exclusive power over education and healthcare.
2) State governments have the power to create and enforce their own laws.
3) The federal government has the power to regulate trade and commerce.
4) State governments have the power to declare war.

The true statement about the American system of federalism is:
2) State governments have the power to create and enforce their own laws.