Testimonial - a written declaration certifying to a person's character, conduct, or qualifications, or to the value, excellence, etc., of a thing; a letter or written statement of recommendation.
3 the history of the United Nations
a chronology is a sequential order of (events), and history, of course, happened in a documented order of events.
The right answer for the question that is being asked and shown above is that: "to convince the reader that Huck’s father has the ability to be funny." Twain’s most likely intention for employing humor within this quotation is to convince the reader that Huck’s father has the ability to be funny<span>
</span>