I think that the key word here is "effects" - the study would be into effects of oil - so not other oil-related topics.
Because of this the correct answer is
<span>a. How does oil shape social, political, and economic conditions in southwest Asia?
here the word "shape" is a synonym to "create and influence" - so it's about the effect!</span>
Because they worked as slaves and didn’t care about them
This is an example is the panic disorder. Person’s protection is the main concern. They have no capability for rational thought. Going to a quiet non-stimulating location might help. Panic Disorder is frequent severe panic attacks, noticeable by unpredictable minutes-long episodes of passionate dread in which a person involvements terror and associated chest pain, choking, or other frightening sensations.