Emotion can be a powerful catalyst in marketer’s attempts to formulate potent advertising. When properly used, emotions can help facilitate consumers’ understanding and acceptance of an advertising message. Indeed, the successful use of emotion can be the difference between a consumer buying a particular product or service and a consumer revolting against the advertisement.
White people in america didn´t see them as humans, so that allowed them to use them as slaves. This view of them being non-human allowed them to use them as tools and sell them like animals.