This is the kind of paper that can truly be improved by a remake. It is clearly written and deals seriously with issues and ideas. Typically, this is a good paper that falls short in any one aspect of the writing task, such as elaborating conclusions, justifiying choices, or fully explaining claims. The B paper is satisfactory without being outstanding. It is well organized, well argued, and well written.
Arguments are consistent, insightful, creative, intelligent, and serious.
Paper does contribute to our understanding of an important issue.