Answer:
The Sales Era.
Explanation:
The Sales era was the era that began after the production era. The sales era, in the marketing, was the era in which the companies began producing goods in mass volume. It was an era of unorganized market where companies were competing with each other significantly, Selling of mass products became difficult. New marketing strategies emerged because of this to persuade customers to buy their products.
The era that is defined in the question refers to the sales era.
So, the correct answer is the Sales era.
Zapata and villa were two leaders of the rebel army during the Mexican revolution
The answer is B. National Environmental Policy Act