Letter A is the correct answer. 
Observational learning is the ability to learn by witnessing the behavior, emotions and attitudes of other people. This method of learning comes from Albert Bandura's social learning theory and it suggests that there are four conditions necessary for observing and modeling behavior, such as: attention, retention, reproduction, and motivation.
 
        
             
        
        
        
Answer:
Islam spread through military conquest, trade, pilgrimage, and missionaries.
Arab Muslim forces conquered vast territories and built imperial structures over time.
Most of the significant expansion occurred during the reign of the Rashidun from 632 to 661 CE, which was the reign of the first four successors of Muhammad.
The caliphate—a new Islamic political structure—evolved and became more sophisticated during the Umayyad and Abbasid caliphates.
Explanation:
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 The answer is A, because an HOV lane is used for people with 2 or more persons in the vehicle. There is usually a set time that people can use the HOV lane. It was made like that because people thought that when somebody would carpool or drive a coworker to their job, it would be a much faster and convinent way because the speed limit is higher in the HOV lane.
        
             
        
        
        
Answer: Utilitarian function of attitudes
Explanation: Utilitarian function of attitudes is the type of attitude shown by the people in such a way to connect with other to obtain the rewards and neglect the non-rewarding situation or sometimes both. The positive and cheering attitude. A person persisting positive attitude towards a desired situation or party can uplift the situation's efficiency and negative attitude towards the opposing party .