That's a hard one to answer but from all my reading it would seem there was one main reason. The Berbers were nomads so they never were able to be collectively together to form an army against invaders. Therefore, the Berbers were constantly being conquered by someone. Each time they had to learn new laws set out by the conquerors. When the Arabs came with their mighty army, they knew they couldn't fight so giving in was in an odd way a protection system of kinds.
The correct answer should be Adams' equity theory.
According to this theory, employees want to be equal at work, especially if they produce the same amount of work. So, if Bob and Tom do the same work, obviously they want to have equal paycheck as the other one, which is why Bob is unhappy because Tom's wage is higher.
Answer:
The learner continues to practice retrieval past the point of 100% mastery.
The rate of forgetting is slowed (compared to material that is not over learned).
Retention after long intervals is greater (than for material that has not been over learned).
Explanation:
Im sorry hindi ko alam kung ano ang iyong humihingi ng paumanhin :(