Final answer:
Congress has the authority to stop a tax on Internet sales through the Commerce Clause of the United States Constitution. By enacting legislation like the Marketplace Fairness Act, online merchants can be required to collect sales taxes from customers in other states.
Step-by-step explanation:
The authority for Congress to stop a tax on Internet sales can be found in the Commerce Clause of the United States Constitution. Congress has the authority to stop a tax on Internet sales through the Commerce Clause of the United States Constitution. By enacting legislation like the Marketplace Fairness Act, online merchants can be required to collect sales taxes from customers in other states.
The Commerce Clause grants Congress the power to regulate interstate commerce, which includes online sales. By enacting legislation, such as the Marketplace Fairness Act, Congress can require online merchants to collect sales taxes from customers in other states. This helps to create a more level playing field for brick-and-mortar retailers and ensures fairness in the collection of sales taxes.