Select two of the following theories of abnormal behavior: 

1. Biological perspective
2. Psychodynamic perspective
3. Behavioral perspective
4. Cognitive perspective
5. Humanistic-existential perspective
6. Community-cultural perspective
7. Interactional approach

Compare and contrast the similarities and differences between each of these two theories of abnormal behavior.
How has the evolution of each theory you chose shaped the field of abnormal psychology in the context of a historical perspective?