They challenged the tradition and expanded the Amercia. Literary canon
The right answer for the question that is being asked and shown above is that: "B. If you build the baseball diamond." The dependent clause in the following sentence is the B. If you build the baseball diamond
The purpose that the historical anecdotes serve in these two literary pieces of art is that they serve as attention-grabbing hooks. They need to get you interested and involved in the story.
The climax of the passage is expressed in answer B