When using the library's catalog of books, what basic informa- tion would be helpful in determining if the book has current
information about a topic?

publication date.

Explanation:

A library also known as a bookhouse can be defined as an institution having various collection of books and other informative materials that people can read to gain more knowledge, insight and motivation about a particular topic.

When using the library's catalog of books, the basic information which would be helpful in determining if the book has current information about a topic is the publication date.

A publication date simply refers to a specific period of time (date) that a literary work was published for easy access by the general public.

he gives his freedom of speach

explanation: