The speaker that said don’t fight anymore” that we will all leave one day, is Sodapop.
What was going on was that, Pony and Darry were fighting and soda was breaking them up.
What the these words revealed about the speaker was that the happiest person can be sad and caves for his brothers.
The speaker was trying to settle the dispute between Pony and Darry, he was telling them they are not going to stay together for ever.
Therefore, We’re all we’ve got left, means no one live forever.
Learn more about the speaker at;
https://brainly.com/question/1150203