Answer: Constitutional law
Step-by-step explanation:
The name for the type of law that deals exclusively with the document that acts as the source of power in the united states government would be Constitutional law.
Consitutional law is a part of public law and occupies about the fundamental laws that build a State.
where we can find the supreme law which would be the Constitution of the United States among with other important amendments such as Bill of Rights and Declaration of Independence which are all founding documents.