In which country did Johann A. Bengel serve?

Johann A. Bengel was a significant figure in the realm of biblical scholarship and theology. His work primarily took place in Germany during the 18th century. Bengel is well-known for his contributions to the study of the New Testament and the development of textual criticism. His most famous work, "Gnomon of the New Testament," laid the foundation for understanding the textual variations in early biblical manuscripts and is considered a landmark in biblical studies. His influence extended within the German Protestant tradition, marking him as a key figure in the development of modern biblical interpretation in that region. Thus, Germany is the correct answer in the context of his service and scholarly endeavors.