The real estate law is upheld and enforced by the

The real estate law is upheld and enforced by the Real Estate Commissioner. The real estate commissioner acts as the Chief Executive Officer of the Bureau of Real Estate and his main role is to enforce the real estate law. The commissioner of real estate also has the power to commence hearings regarding revocation of license of a real estate agent. The commissioner also ensures that the consumers of real estate are being protected by the real estate law. 

the united states constitution is the supreme law of the united states. the constitution, originally comprising seven articles, delineates the national frame of government. its first three articles embody the doctrine of the separation of powers, whereby the federal government is divided into three branches: the legislative, consisting of the bicameral congress; the executive, consisting of the president; and the judicial, consisting of the supreme court and other federal courts. articles four, five and six embody concepts of federalism, describing the rights and responsibilities of state governments, the states in relationship to the federal government, and the shared process of constitutional amendment. article seven establishes the procedure subsequently used by the thirteen states to ratify it. it is regarded as the oldest written and codified national constitution in force.

probably 3 since archeologists and historians don’t understand there writing.