This is an example of marketing behavior that would occur during the Sales era of U.S. business history.
Explanation:
Over the years, the principle of marketing has changed and constantly changes. Commercialisation has ostensibly developed through both classical and modern stages.
The era of rivalry was the era of sales. Companies can not market their mass produced goods easily anymore. The selling of products to consumers was becoming increasingly difficult for businesses. In this age, we see the marketing phenomenon as it emerges today. Companies had to encouraging and educating customers to sell products vigorously.
In these days, marketing is viewed in the United States, including the manufacturing period, the distribution age, the selling age and promotion, and is also a large functional field of the business.