Final answer:
Interstate commerce laws are NOT regulated at the state level and are overseen by federal agencies.
Step-by-step explanation:
The correct answer is d. Interstate commerce laws. While many aspects of governance and regulation are determined at the state level, interstate commerce laws are primarily regulated at the federal level. These laws govern trade and commerce between different states and are overseen by federal agencies such as the Federal Trade Commission and the Department of Commerce. Examples of interstate commerce regulations include laws related to shipping, transportation, and trade agreements between states.