It seems that you missed the given choices of the question above; but anyway, here is the correct answer. The correct answer would be RHETORIC. When you are able to convince your principal to cancel an assembly because of a political concern, this situation is an example of a rhetoric. Rhetoric is defined as the art of persuasion by using effective written, spoken or visual language.
Control of the Atlantic ocean was a gateway for easy trade between other countries suck as Mexico,Africa,and possibly America. it could have also served as war territory for ships.