To maintain good relations between British and Native Americans
<span>Persia would be the most likely location. With Merv being in the very center and Persia being right in the middle between Syria and China, Persia is most certainly the most common meeting place for people coming from the far ends of each side of the silk road.</span>
<span>D.) they believe it is the place where Gabriel gave Mohamed the word of God
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Answer:
double-blind study
Explanation:
According to my research on different experimental procedures, I can say that based on the information provided within the question the procedure that is being defined in the question is called a double-blind study. This (like defined in the question) is a study in which neither the participants nor the experimenters know who is receiving a particular treatment.
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