Why and what were Walter and Ruth arguing about in the play “A raisin in the sun”

Where is the sentence? be more specific so we can you

The one that best portrays the theme of "there was a child went forth" is the process of becoming. the ceaseless procedure of getting to be is at the core of the lyric. we progress toward becoming something or develop into something and this is the way toward getting to be, of progress and improvement. the interpenetration of the tyke's cognizance and physical marvels has appeared in this ballad, is one of the basic components of whitman's idea.