I think it’s all of the above
old english, because of the time period
I would say it would be believability and confidence.
The correct answer is: Employment History and Personal Background Information.
A cover letter serves as your hook. The one who will read it may have a short span of availability. In writing a cover letter, you should highlight your strengths and past accomplishments so that they will be interested to read the attachments. Do not forget to include your contact information.