Question

The peer review process can create conflicts of interest because the choice of who reviews a potentially publishable project may show: their connections to the journal may yield some concern they are not informed of the area of work there may be bias by the peer reviewer as to the area of research the project has a limited scope

Answer 1

I believe the answer is: their connections to the journal

For example,let's say I invested some of my money to companies that develop Drug A.
If i'm required to conduct a peer review for a journal that wrote bad side effects to Drug A, i definitely had a conflict of interest and develop a tendency to give a bad review for that journal.

Answer 2

ANSWER:

There may be bias by the peer reviewer as to the area of research

EXPLANATION:

Cultured peer review (also known as refereeing) is the method of controlling an author's studious work, analysis, or opinions to the analysis of others who are specialists in the related area, before a document explaining this activity is printed in a magazine, convention procedures or as a book.