Answer:
i believe it is tied knots, since they had to memorize messages and run it across a trail
The proper format is

No one really "said" it; it is the equation that represents Einstein's Theory of Relativity.
Justice and liberty are the two that mean the same
Answer: The post-reinforcement pause.
Explanation:
The post-reinforcement pause occurs when the delivery of a reinforcer on fixed-ratio and fixed interval schedule of reinforcement. When he considers not to do anything after having so much before him this behavioural type is known as post-reinforcement pause