A state refusing to follow a federal law would be guilty of violating the Supremacy clause. There are no options given in regards to the question. still the answer id hopefully as per your requirement. This is a clause that is present in paragraph 2 of Article VI of the constitution of the United States of America. This states that federal laws are far superior to state laws.
<span>black codes were designed to restrict freed blacks’ activity and ensure their availability as a labor force now that slavery had been abolished.</span>
During the Great Depression years, the Wagner act was passed which prevented employers from interfering with workers' unions and protests in the private sectors.
