Do an author's credentials automatically mean he or she is a trustworthy and believable expert?

answer; i believe its a

the lowest among the social higher rank were the working class. this class remained detached to the political progression   of the country and was hostile to the other two classes

assuming that you are talking about the one in egypt: hecka oil

explanation:

- "bill clinton ( the 42nd u.s. president, served in office from by low unemployment, declining crime rates and a budget surplus. during clinton's second term, the u.s. economy was healthy, unemployment was low and the nation experienced a major technology boom and the rise of the internet."