Question

In the United States, most people understand that they are expected to form a line and wait for their turn. That is an example of what type of rule?

Answer 1

Answer:

an implicit rule        

Explanation:

An implicit rule or idea is the general communication or understanding by the people which is not directly stated or conveyed but is understood by the moral conscience.

It is not directly stated or said but is understood by civic sense.

Thus people who understands that they have to form a line and wait for their turn is an example of an implicit rule.