Yes, it was written by and for the United States of America.
An 'Amendment' is any change to the constitution or federal document.
The document that was written before the Constitution was the Articles of Confederation.
State Constitution
constitution
Federal documents are any documents produced by the federal government. Often though the federal documents refer to the founding document like the declaration of independence and the constitution.
The British Constitution is uncodified, not written down. It is entrenched in the laws of the nation. There is no single document with the constitutional laws written down.
The preamble to the Constitution is a general introduction and states the Constitution's purpose, as with any written document. It does not grant any powers to the Federal government. The powers given to the Federal government are few and defined and are specified in Article 1, section 8 of the Constitution.
The constitution is the greatest document ever written to some people.To others it is not.It is a person's opinion if they think the constitution is or is not the greatest political document ever written.
the constitution
State Constitution
The U.S. Constitution is the document that states the amendments.
the constitution