TWO:The mountain range upon the south, which separated Silesia from the realms of the Queen of Hungary, was three or four hundred miles long, with some twenty defiles practicable for the passage of troops. The French minister Valori urged Frederick to guard these passes. This was impossible; and the self-confidence of the Prussian king is revealed in his reply: My friend, if you wish to catch the mouse, you must not shut the trap, but leave it open.409 Frederick was much embarrassed in deciding what to do with his captives. They numbered about fourteen thousand. To guard and feed them was too troublesome and expensive. They could not be exchanged, as the King of Poland had no Prussian prisoners. To set them at liberty would speedily place them in the Austrian ranks to fight against him. Under these circumstances, Frederick compelled them all to enlist as Prussian soldiers. He compelled them to do this voluntarily, for they had their choice either to enlist under his banners or to starve. The King of Poland was permitted to return to Warsaw. The electorate of Saxony, nearly as large as the State of Massachusetts, and containing a population of one and a half millions, was annexed to Prussia. The captured soldiers, prisoners of war, were dressed in Prussian uniform, commanded by Prussian officers, and either placed in garrison or in the ranks of the army in the field. The public voice of Europe condemned Frederick very severely for so unprecedented an act.
TWO:92 The royal yachts glided down the Main to the Rhine, and thence down the Rhine to Wesel. Probably a heavier heart than that of the prince never floated upon that world-renowned stream. Lost in painful musings, he had no eye to gaze upon the picturesque scenes of mountain, forest, castle, and ruins through which they were gliding. At Bonn he had an interview with Seckendorf, whose influence was great with his father, and whom he hoped to interest in his favor. To him he said,