<span>an external threat to Denmark
Not only is there unrest within the castle because of the previous King's death and Hamlet's moodiness, there is also a threat coming from another country. This means that Claudius will have to take charge and make sure that Fortinbras' armies do not invade in such an unstable time. </span>
Answer:
D. Library Catalogue Database
Explanation:
The best resource to use in this case would be a library catalogue database. A library catalogue is a list of all the books and other graphic material that a library contains. Nowadays, most library catalogues are electronic, stored in a database. Catalogues allow readers and librarians identify and locate materials.
