The department plays a significant role at all levels of the educational mission of Georgetown University. First, it serves the core curriculum with two required courses. The "Problem of God" and "Introduction to Biblical Literature" serve as alternate choices for the first mandatory course. The remainder of the department course offerings, with its extensive range of topics, serves as the pool for the second course requirement. Second, the department serves undergraduate majors with four options for concentration: Christian theology, religious ethics, biblical studies, and religious studies.