" States were also given a chance to propose changes, or amendments. Three-fourths of the states have to approve the amendment for it to become law. In the past 200 years, the Constitution has been amended 27 times. The 13th Amendment, in 1865, forever banned the practice of slavery.
Hereof, can the Constitution of the United States be changed?
The Congress, whenever two thirds of both Houses shall deem it necessary, shall propose Amendments to this Constitution, or, on the Application of the Legislatures of two thirds of the several States, shall call a Convention for proposing Amendments, which, in either Case, shall be valid to all Intents and Purposes, as
Can we change the amendment?
Such a change would require a new amendment. Once an amendment is ratified it becomes part of the Constitution. The text cannot be changed: it is part of the history of the document. The 21st Amendment did not "erase" the 18th; it changed the Constitution, so that since its passage alcohol has been legal.