What is the theme of unit 2? strength identity friendship equality

In the section the deciding pitch what is the narrators point of view on how th pitcher feels about the upcoming event

The author’s purpose for including this in the introduction is

Ead this sentence from the evolution of useful things.the underlined phrases indicateaaking waterproof sandpaper would allow wet sanding,which in turn would cut down on dust, and thus be a greatmprovementpassing of timea directional change of positiona cause-and-effect relationshipsequence of events.save and exitmark this and retur