Final answer:
The expressed powers shared by the US federal and state governments include establishing courts, collecting taxes, and establishing and maintaining the post office.
Step-by-step explanation:
The expressed powers that are shared by both the US federal and state governments include:
- Establishing courts: Both the federal and state governments have the power to establish their own court systems to administer justice at their respective levels.
- Collecting taxes: Both levels of government have the authority to collect taxes from individuals and businesses to generate revenue for funding public services and programs.
- Establishing and maintaining the post office: The federal government has the power to establish and maintain the postal system, but states may also operate their own post offices.
Declaring war is an express power of the federal government, while providing for the general welfare of citizens is a broad power granted to the federal government through the General Welfare Clause in the US Constitution.
Learn more about Shared powers of the US federal and state governments