Under the U.S. Constitution, state laws can be void if they impose an improper burden on interstate commerce, even though a federal law does not exist

Under the U.S. Constitution, state laws can be void if they impose an improper burden on interstate commerce, even though a federal law does not exist

• A. When a state law contradicts a federal law
• B. When the state law imposes improper burden on interstate commerce, even though a federal law does not exist
• C. When courts determine a state law interferes with federal law although the state law does not express contradict
• D. When the state law relates to foreign treaties

Answer: (B)