Supreme law

This Constitution, and the Laws of the United States which shall be made in Pursuance thereof and all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land and the Judges in every State shall be bound thereby, any Thing in the Constitution or Laws of any state to the Contrary notwithstanding. 

Federal Mine Safety and Health Act ( the Mine Act ) is the supreme law enforcing supervision and management of the mines across USA by the federal government. In addition. Federal Code... 

Though a law therefore for laying a tax for the use of the United States would be supreme in its nature, and could not legally be opposed or controuled yet a law for abrogating or preventing the collection of a tax laid by the authority of a State (unless upon imports and exports) would not be the supreme law of the land, but an usurpation of power not granted by the constitution. As far as an improper accumulation of taxes on the... 

Others, though content that treaties should be made in the mode proposed, are averse to their being the supreme laws of the land. They insist and profess to believe, that treaties, like acts of assembly, should be repeal-able at pleasure. This idea seems to be new and peculiar to this country, but new errors as well as new truths often appear. These gentlemen would do well to reflect that a treaty is only another name for a bargain and that it would be impossible to And a nation who would make any bargain with... 

This will appear the more necessary, when it is considered, that not only the constitution and laws made in pursuance thereof, but all treaties made, or which shall be made, under the authority of the United States, are the supreme law of the land, and supersede the constitutions of all the states. 

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