Sam can't leave for work without going back into his house and making sure that he has taken all of his writing materials. he does this several times before he allows himself to start the car and drive to work. he is frequently late for work because he is so unsure about remembering everything. sam is displaying:

Sam is experiecing OCD (Obsessive-Compulsive Disorder)

Explanation:

OCD is an anxiety disorder, well known for its repetitive behaviors, where you cannot control yourself from doing. Even if you have consciousness of how irritating and unracional your behaviors are, when you have OCD you cannot stop them and you won't relax until you finished doing all your ritual.

the arab empire adopted the muslim religion as their main belief. arabs would influence the people from the territories they invaded towards islam (the muslim belief).

nevertheless, throughout the history of the arab empire, rulers brought intellectual individuals from other religions to their centers of learning. these other foreigners included jews, christians, greeks, persians, and indians.   these resulted in the adoption of important knowledge developed by these cultures by the arabic empire. for example, the works of aristotle were translated from greek to arab and indian scientists brought the numerical concept of "zero" to the arabs.

nowadays, 93% of the arab population is muslim, which at the same time is subdivided in sects including the sunni, zaini, alawi, shia. the remaining 7% is composed mainly of christians.

answer; the civil right act of 1964;