Can someone explain tom robinson’s significance in the book to kill a mockingbird ! ?

Read this excerpt from leah missbach day's foreword to wheels of change.bicycles have long played a role in my life. as a young woman, i rode one year-round before i had a car. but it was later in adulthood that the bicycle became more than a source of transportation for me. the bicycle actually began to truly shape the way i saw the world.what is the author's purpose for including this in the foreword?

I’m cruel tribute which characters action most advance the development of the plot?

In 200 words, identify the theme of audre lorde's poem "hanging fire." support your answer with at least three examples (of your choosing) from the text.