Which of the following explains where the federal government gets its power to regulate major aspects of the U.S. national economy?

Answer 1

The federal government gets its power to regulate major aspects of the U.S. national economy through the Commerce Clause of the United States Constitution. This clause grants Congress the authority to regulate interstate and foreign commerce, allowing the federal government to pass laws and regulations that impact various aspects of the economy, including trade, business practices, and consumer protection.