Why doesn’t Carson mention her “contention” until she is nearly finished with the piece? Also, why does she tell the reader what her “contentions” aren’t before stating what they are? What

Why doesn’t Carson mention her “contention” until she is nearly finished with the piece? Also, why does she tell the reader what her “contentions” aren’t before stating what they are? What response from her readers might she anticipate at this point in their reading?