There was no single event that ended the Great Depression, but most would agree it was a combination of New Deal policies, and World War II (which created soaring demand for materials and thus jobs in the United States) that ended the Great Depression.
In a prisoner's dilemma, the type of behavior that provides the most benefit for each individual is to cooperate.
If the prisoners cooperate, it means that the police won't have enough proof against these criminals given that they will give the same account of what actually happened. Instead of remaining silent, confessing, or betraying each other, the wisest decision for them is to cooperate and thus reduce their punishment.
Dr. Kushman is conducting a case study.
In the social sciences and life sciences, a case study is a research method that involves a detailed and in-depth examination of a topic of study (the case, which may be a person or a situation), as well as its Related contextual conditions. Case studies can be produced following a formal research method and usually last for a specific period of time. It is likely that these case studies appear in formal research sites, such as journals and professional conferences, instead of popular works. Case studies may involve both qualitative and quantitative research methods.
Answer:
The five major themes of geography are Location, Place, Human-Environment Interaction, Movement, and Regions.
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