Because the laws on it are for all of amerca.
The US supreme court
The constitution is considered to be the "supreme law of the land", as stated in Article VI.
In the USA, the Constitution is considered the basis for all law and governance of the nation. It sets aside the powers and power structure of government, and specifies what each branch will be responsible to do and provide.
vide section 2 of the constitution of mauritius it is a constitutional guarantee
The Constitution of the United States
Constitution
The Russian Constitution of 1993 is considered to be the law of the land. Statutes, that are enacted through the legislative process are the primary source of Russian Law used in the courts. Russia has a civil law system.
The constitution is the supreme law of the land.
The constitution is the supreme law of the land.
The Constitution is the supreme law of the land in America.
The US Constitution is called The Supreme Law of the Land.