Article 6 of the United States constitution states that federal laws are the supreme law of the land.
Step-by-step explanation:
Article 6 of the United States’ constitution regards the supremacy of the Federal Law as the “Supreme law of the Land”. This article tries to resolve any actions that would arise in case of clash over the laws made by the States and the Federal Government.
This article states that, in case of such a clash between the two, the Federal law would prevail. This does not just apply to laws, the scope covers the treaties signed too.