Do you mean "What is a change to the U.S Constitution?" if so the answer is an amendment if not ask somebody else sorry!
A change in the US Constitution is called an amendment.
It is called as constitutional amendment.
A change to a constitution is called an "amendment."A ballot vote on a prospective law is called a referendum.
A change that is made to the Constitution is called an amendment. An amendment is usually a positive change made to improve something.
Its called an Ammendment
Amendment
an Amendment
ammendment
Who would have a constitution if you couldn't do that? It's called optimization.
amendment
Amendment .
An Amendment