I’m studying and need help with a History question to help me learn.

The United States has experienced at least five different eras of federalism since the adoption of the Constitution: Dual federalism, cooperative federalism, centralized federalism, new federalism, and contemporary federalism.

Choose which one you believe would work best today and explain why. Choose from one of the five highlighted in bold.

Make sure to mention any disadvantages of the others as needed.

150 words minimum.