What is the most likely reason the author chose a free verse structure for song of myself

Read the excerpt from heart of a samurai. the water was so clear, he could see straight to the bottom. a snail was making a path like a shiny ribbon slowly unfurling on the sand. what does the author use the most precise words to describe in the excerpt? the water’s movement the water the snail the snail’s path

What is the central idea in this advice from branch rickey to jackie robinson?  

"dogs make wonderful pets because they us stay happy and healthy"the topic sentence is "dogs make wonderful pets" i need writing a sentence that is unrelated to the topic and can be eliminated.