Final answer:
The method for gathering background information about a job applicant that is NOT recommended because of potential legal violations is B) using a database to access information about the applicant's credit history.
Step-by-step explanation:
Accessing an applicant's credit history is not recommended due to potential violations of the Fair Credit Reporting Act (FCRA) and other privacy laws.
This method can lead to discrimination based on financial status, which is protected under federal and state laws. It is important for employers to focus on job-related qualifications and avoid gathering personal or irrelevant information that may lead to discrimination.