1) The document is a journal entry by Lim Joe Onn about a McDonald's advertisement promoting their new chicken foldover. 2) McDonald's used persuasion strategies like showing credible images of ingredients and emphasizing healthiness through color choice to attract new health-conscious customers and change perceptions of their food. 3) The advertisement uses emotional language like "crispy", "juicy", and "mouthwatering" to make readers crave the foldover and associate it with positive feelings like love to successfully persuade people to purchase it.