"... without the shadow of a doubt, a Genuine Mexican Plug!" (Twain 392). Anybody who knows what a plug is knows that the horse is dilapidated and useless. However, Mark Twain from his own journal "The Genuine Mexican Plug" is fooled by the speaker's energy. The story is about Twain being tricked into buying an old horse from an auctioneer and the troubles he had to endure with the horse.
The reader can assume that Twain is gullible and determined to succeed.
Because he bought the horse from the high-energy salesman, Twain was gullible. In the story, he is easily fooled by the salesman's t…