Article 6 of the united states constitution is known as the a. solution b. sovereignty clause c. supremacy clause d. supreme law

The correct answer is C. Supremacy clause because the supremacy clause establishes the Constitution as the supreme law of the United States, and that all state and local laws are subservient to federal law.

Hope I helped.

Could you please give me brainliest.

i believe it d) heterogeneous

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.