Read this excerpt from the speech.
We have already waited a hundred years and more, and the time for waiting is gone.
So I ask you to join me in working long hours—nights and weekends, if necessary—to pass this bill. And I don't make that request lightly. For from the window where I sit with the problems of our country I recognize that outside this chamber is the outraged conscience of a nation, the grave concern of many nations, and the harsh judgment of history on our acts.
Analyze and explain in detail how these sentences develop the author's claim that all Americans should have the right to vote.