Answer:
The correct answer is: The Sales Era.
Explanation:
Marketing has evolved along time. There is a classification dividing Marketing eras in seven (7) stages which are the Simple Trade era, Production Era, Sales Era, Marketing Department Era, Marketing Company Era, Relationship Marketing Era, and the Social/Mobile Marketing Era.
In the Sales Era, companies struggled to promote their products then started to aggressively advertising themselves in as many media as there were available. The basic concepts of marketing as we see it today were born during this stage.