Final answer:
A large-scale religious map can have several problems, including a lack of detail on individual religious sites, difficulty in displaying regional variations, and oversimplification of religious diversity.
Step-by-step explanation:
One problem with a large-scale religious map is the lack of detail on individual religious sites. This means that specific places of worship or sacred sites may not be accurately depicted or represented. Another problem is the difficulty in displaying regional variations. Religious practices and beliefs can vary greatly within a region, and a large-scale map may not be able to accurately capture these variations. Lastly, a large-scale religious map can oversimplify religious diversity. It may not accurately represent the complexity and nuances of different religious traditions and their interactions.