Why was there a need to pass the Twenty-Fourth Amendment and the Voting Rights Act when the rights of American men and women of all races were already protected by the Fifteenth Amendment and Nineteenth Amendment, respectively?

Use the following information for Questions below.     The second paragraph of the United States Declaration of Independence starts as follows: “We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the Pursuit of Happiness.”   This table summarizes the constitutional amendments and an act regarding voting rights in the United States:     Amendment/Act - Date - Summary     15th Amendment - 1870 - Allowed all men to vote regardless of race or color     19th... Show more

Use the following information for Questions below.    

The second paragraph of the United States Declaration of Independence starts as follows: “We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the Pursuit of Happiness.”  

This table summarizes the constitutional amendments and an act regarding voting rights in the United States:    
Amendment/Act - Date - Summary    
15th Amendment - 1870 - Allowed all men to vote regardless of race or color    
19th Amendment - 1920 - Granted women the right to vote    
24th Amendment - 1964 - Banned the poll tax for voting privileges    
Voting Rights Act - 1965 - Prohibited racial discrimination in voting and banned literacy tests    
26th Amendment - 1972 - Lowered the voting age from 21 to 18    

Show less