Answer:
D. Use advertising to increase demand
Explanation:
You can generate demand with the use of advertising in order to gain market positioning through a branch of marketing called content marketing.
Content marketing consists of a marketing technique for the creation and distribution of relevant and valuable content to attract the attention of a particular audience, with the aim of encouraging them to be future customers.
B. because a trench warfare is where troops are protected from the enemys fire and defend their place.
B) only changes his or her opinion on a policy issue when a major event happens