It was ratified in August 18, 1920 by congress The 19th amendment was for men and women had equal rights. The women’s rights movements became inetwinined with the struggle for abolishing slavery which resulted in the proposal of the 19th amendment.
It was ratified on July 1, 1971 by Ohio The 26th amendment was for the voting age to 18 instead of 21. The 18 year old in the Vietnam war when 18 year olds could be forced to go to war and not be able to vote and that made them angry. To fix that president Nixon signed a bill in 1970 so they are able to accept 18 year old voter.
It was ratified first by Nevada on March 1, 1869 The 15th amendment was about voting right for all people regardless of there race or of there skin. It also protected the voting rights for former slaves.