Your question is very confused. Amendments are ratified, they do not ratify.
Amendments to the constitution must be ratified by the states. To become part of the Constitution the Amendment must be approved by three-fourths of the states.
a two thirds vote of congress
38
38
The last amendment, which is the 27th Amendment to the United States Constitution, was ratified in 1992.
A constitutional amendment is any change in the US Constitution. Like the constitution, an amendment must be proposed and then adopted by Congress or by state conventions. It must then be ratified by 2/3 of the current states before it becomes part of the Constitution. Amendments can only be superceded by another later amendment, or repealed by one.
The XVI Amendment to the Constitution was ratified in 1913 (Income Tax).
The 13th amendment to the US Constitution was ratified by a majority of states December 6, 1865.
It was ratified in July 28, 1868.
After being approved by Congress and before the final date for ratification proposed in the amendment.
The Constitution can be ratified through a process that involves approval by a majority of states. Once a proposed amendment is passed by two-thirds of both the House and Senate, it must be ratified by three-fourths of the states to become part of the Constitution. This process ensures that the amendment has widespread support across the country.
1. an amendment may be proposed be national convention. 2. then must be ratified by 3/4 of the state legislatures.