Final answer:
The basement of the Mueller Center isn't a well-documented location, but if referring to the Documentation Center in Congress Hall, Nuremberg, it may display historical exhibits relating to the Nazi regime, including Adolf Hitler's 'Mein Kampf'.
Step-by-step explanation:
The basement of the Mueller Center does not specifically refer to a known historic site or museum with available public information. However, if the question refers to the Documentation Center in Congress Hall, located in Nuremberg, Germany, as an example, it is important to note that such a center might display exhibits related to the Nazi regime. The Congress Hall is part of the Nazi party rally grounds and the Documentation Center serves as a museum providing historical information about the activities and ideologies of the National Socialist party. One could imagine that such a museum might include materials or displays related to Adolf Hitler and his book 'Mein Kampf,' among other artifacts and interpretations of the era.
Without the specific context of which 'Mueller Center' the student is asking about, it is challenging to provide a definitive answer about what is in its basement. If this reference is incorrect, please provide additional context or specify the location for accurate information about its contents.