<u>Answer:</u>
The state governments and the federal government are required to work together to ratify the constitutional amendments.
<u>Explanation</u>:
- An amendment to the constitution can either be proposed by the United States Congress or by at least 38 of the 50 state governments.
- No matter who proposes the amendment, it has to be ratified by at least 2/3rd of the existent state governments and also the United States Congress for it to become a part of the Constitution.
The name given the movement in which machines changed peoples way of life as well as their methods of manufacturing