What is required for a constitutional amendment?

Related questions

1. When did the era fail?
2. Why did the Washington DC voting rights amendment fail?
3. Why was the Equal Rights Amendment Defeated?
4. What caused the Equal Rights Amendment?
5. Has the era passed?
6. How does an amendment get ratified?
7. Why is the Equal Rights Amendment Important?
8. What did Betty Friedan do?
9. Can the era still be ratified?
10. What happened to the Equal Rights Amendment era?

Tags

1. #ratified
2. #congress
3. #conventions
4. #state
5. #convention
6. #ratifying
7. #become
8. #constitution
9. #proposed
10. #amendment
11. #whether
12. #three
13. #constitutional
14. #either
15. #present
16. #legislatures
17. #national
18. #fourths
19. #operative
20. #states