Answer: option (C). It says federal laws are superior to state laws.
Explanation: The supremacy clause of the constitution tells us that the federal laws is above the state laws. The farmers of the constitution included the supremacy clause in the constitution because they believed that the central government needed to have more power than the state government.
Article VI, paragraph 2 of the United State constitution declares that the constitution, laws, and treaties of the central government is supreme law of the land to which judges in every state are bound irrespective of what the state laws says. The law establish the federal law and the federal constitution supersede the state laws and state constitution. The law strictly prohibits the states from interfering with the central government constitution and government exercise that are exclusively entrusted to the central power.