Which sentence from the passage indicates that the source is not entirely credible? "The age requirement for voting was enacted after the Civil War by the Fourteenth Amendment, setting the voting age at 21.”
"The Twenty-Sixth Amendment, ratified in 1971, decreased the voting age from 21 to 18.”
"This amendment was proposed in response to the Vietnam War.”
"Since many of those drafted to fight were between 18 and 20, Congress did the right thing by lowering the voting age.”

  ! i need it ! the daughters of the revolution eventually admitted african american to their hall.which best analyzes how this detail supports the meaning in "marian anderson sings"? a)it shows that african american performers would never be able to perform in some theaters. b)its show that an era of discrimination on unfair treatment of african american was finally over. c)it shows that marian anderson had ease discrimination for for african american performers. d)its shows that revolutionaries are not open to new ideas.

In what way do you think it would be difficult to live next to the united states

Based on this excerpt the authors are most likely to attempt to answer which question