Which of the following are powers kept by the federal government under the federal system of government in the United States?(1 point)

The powers kept by the federal government under the federal system of government in the United States include:

1. The power to declare war
2. The power to regulate interstate commerce
3. The power to coin money
4. The power to establish and maintain the military forces
5. The power to negotiate treaties
6. The power to regulate immigration and naturalization
7. The power to establish post offices and post roads
8. The power to establish federal courts
9. The power to establish and collect taxes
10. The power to regulate bankruptcy laws
11. The power to protect intellectual property rights, such as patents and copyrights
12. The power to regulate foreign and interstate trade

Note: This is not an exhaustive list, but it includes some of the major powers maintained by the federal government.