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.
Answer:
ADDITIONAL FOOT PATROLS DOES NOT HAVE ANY SIGNIFICANT EFFECT ON THE OVERALL CRIME RATE IN A COMMUNITY.
Explanation: Newark conducted his experiment between the year 1978 to 1979 where he tried to show the relationship between additional foot patrols and crime rate, and perception,he discovered that the overall crime rate in a given community is not significantly affected by increased or additional foot patrols by law enforcement officers but that there is a significant RELATIONSHIP between FOOT PATROL BY LAW ENFORCEMENT OFFICERS LIKE THE POLICE WITH COMMUNITY RELATION AND PERCEPTION.
1. Have you ever been bullied or harassed based off of one of your identities such as your race, sexual orientation, religion, or any other identity?
2. Did you ever seek help because you were being bullied and harassed?
3. Have you ever been slurred at, degraded, or verbally abused?
4. If comfortable sharing, have you ever suffered any sort of mental health issue as a result of the bullying and harassment you endured such as anxiety, depression, self-harm, etc;?
5. Have you ever been made to feel ashamed of one of your identities?
I hope this helps.
The California coast was made by water erosion and ships from the gold rush.