How can a speaker best convince a listener that his or her thoughts are worth considering

Using evidence will best convince a listener

The type of information that indicates something as true is a fact; what is obvious doesn't need to be argued or coaxed, thus the best way to convince someone about something is meet people with facts and let them be enlightened by a factual environment, nay evidence.

Explanation:

anne's craft goods

123 e mason drive, johnson, ms

12345

to whom may it may concern;

i have recently ordered a product from your online shop. the shipping details read that my order would be delivered by the 8th of december, whereas it was delivered the 13th. i needed the package for a christmas exchange. 

since i paid for overnight shipping, but did not receive the package in the time allotted, i am kindly asking for a refund. the product was just perfect, but i do not believe i should have to pay for a quick shipping if it came late.

you for your time, i hope to hear from you soon.

sincerely,

john smith

the answer is something i don't know