Mary Jackson prepared an assignment but John Becker was not ready to approve the result of the assignment which led to the disagreement between them.
It became evident later that John Becker had the wrong input data which made him the wrong party in the disagreement.
Correct answer is <span>Voltaire wrote that Candide "had one great advantage over Martin." Martin had no hope (77).</span>
The correct answer is A. historical musicology.
This discipline is also called music history. It studies the development of different musical elements through history. For example, it shows how and when the symphony as a musical form has emerged, and how it has changed over the centuries, in accordance with contemporary cultural and artistic trends. It studies the historical contexts, and it will, for example, answer the question why opera was born in the end of the 16th century, and not earlier or later.