In the first part of the Cruel Tribute, the King Aegeus' actions have great effects on the advancement of the plot. He causes King Minos to become angry, because King Minos believed that it was him who killed his son Androgeos thus he asked for a tribute in replacement of his son's life.
Answer: the year of publication of the article.
The author is Ruth Adams.
The title of the article is Eat Apples
The source is The Journal of Nutrittion, Volume 222, pages 26-32.