Which research question would lead to the greatest range of information on the history of acupuncture?

Responses
A Where did acupuncture originate?Where did acupuncture originate?
B What is the U.S. Food and Drug Administration's role in monitoring acupuncture practice in the Western world?What is the U.S. Food and Drug Administration's role in monitoring acupuncture practice in the Western world?
C How did acupuncture originate as a medical practice in the East and eventually gain popularity in the Western world?How did acupuncture originate as a medical practice in the East and eventually gain popularity in the Western world?
D Is acupuncture derived from ancient traditions?

How did it evolve over time and what cultural and social factors influenced its development and spread?