I would assume that this is a multiple choices question, thus the answer would be letter the first statement after the claim. "because human behavior may be patterned, but it is also spontaneous". Creating a central dogma in sociology would be like creating a central dogma of explaining humanity. As there are always the spontaneous nature of humanity, making prediction out of patterned behavior could be flawed. <span />
Answer: B
Explanation: Because the only way to get to, and from South Asia and East Asia is by boat (sea) or plane (air)