No More Learning

Cantacuzene, in the hour of need, sought a personal interview
with him there; the King and Queen of Serbia           their dis-
tinguished suppliant with every mark of respect; but, when it came to
business, Dušan demanded as the price of his assistance the whole of the
Byzantine Empire west of the pass of Christópolis near Kavala, or, at
any rate, of Salonica.