The primary purpose of the passage as a whole is to
Option C… In this passage the author has put light upon the two trends towards regional trading of nations. Moreover after the introduction of the two blocs, the author depicts the role both the blocs play in the change of economy, hence suggesting its importance to the viewers.
Option B incorrect-We don’t have enough facts to support the inconsistencies.
Option D incorrect-This topic in no way points to a discussion worth debating.
Option A incorrect-There are no impressive or strong reasons discussed to support the continuance of the initiative.