Answer:
A. Some states charge sales tax on all purchases, while other states have no sales tax at all.Step-by-step explanation:
Fiscal Federalism:
The current system of federalism undermines the social and economic equality of the people of the United States. Although states have broad responsibilities to provide basic services, they have vastly different financial capacities. Some states are richer while others are poorer, and these differences have critical implications for the ability of states to meet the needs of their residents.
Hence, option A is correct.