In a complex sentence, the role of the subordinating conjunction and the dependent clause is to establish a time, a place, a reason, a condition, a concession, or a comparison for the main clause. The subordinating conjunction provides the bridge between the main clause and the dependent clause.
The definition of Act of Supremacy in the law of the United States, as defined by the lexicographer Arthur Leff in his legal dictionary is: An English statute of 1558 establishing the supremacy of the Crown in ecclesiastical matters.
The Supremacy Clause says [t]his Constitution is the supreme law of the land.. The Constitution therefore is the fundamental law of the United States. Federal statutes are the law of the land only when they are made in pursuance of the Constitution.