Final answer:
Article VI of the U.S. Constitution establishes the supreme law of the land, making federal laws and treaties the highest authority in the United States.
Step-by-step explanation:
Article VI of the U.S. Constitution established the supreme law of the land. This means that the laws and treaties made by the federal government are the highest authority in the United States. It ensures that no state laws can contradict or override the laws of the federal government.
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