The earl stages of the core-periphery model describe the a. A relationship of power and the transfer of resources from less developed to more developed areas
b. social and cultural differences between urban and rural people
c. relationship between the underlying structure of a society and its outward expressions
d. ways that suburban workers commute to urban workplaces

from the word list given, the most suitable words that relate to the reason information were written would be:  

objectivity: lack of bias, judgment, or prejudice

accuracy: free of mistakes, to be correct

authority: the ability to tell people what to do or believe in

content: to be satisfied  

it can be said that the author made the article to present objectivity, to provide accurate information, to be the authority in the subject that he or she writes, and to be satisfied of the information quality given out.