The answer is ports with ships.
Explanation:
Trade was a primary factor in the rise and development of the West African kingdoms of Ghana, Mali, and Songhai. In particular, these kingdoms grew wealthy, powerful, and influential because they were able to collect taxes from traders who crossed their territories. … After some time, trade made it stronger
According to the occupational stress model, thwarted ambition is a source of stress that is related to career development.
Occupational stress is mental stress that is connected to one's employment. A persistent illness is referred to as "occupational stress." Understanding the stressful work environments and taking action to change them can help manage occupational stress. Employees may experience occupational stress if they don't feel supported by their managers or coworkers, feel like they have little influence over the work they do, or believe their efforts on the job are insufficiently rewarded. Employers and employees are both concerned about occupational stress since it has an impact on both their physical and mental health as well as their ability to do their jobs.
Learn more about occupational stress here:
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It is true that a case study allows a more detailed look at the life of a single subject than any other study.
Answer: Option A
<u>Explanation:</u>
Case Study is a detailed study of a particular subject which can be anything like an individual person or a group or a situation that has occurred at a particular period of time.
This study is a study of almost all the aspects of the subject and an in depth study of the subject of study and also the conditions of the subject is also studied. Normally to study a case study, a method of research is used to collect information of the subject that is to be studied.
