 Complete the following phrase:  Encouraged by Fredericks victory at Mollwitz, the French and their ally, the Electorate of Bavaria, entered the war against Austria in early September 1741 and marched on Prague. Meanwhile, Frederick, as well as other members of the League of Nymphenburg, sponsored the candidacy of his ally Charles of Bavaria to be elected Holy Roman Emperor. Charles was crowned on 2 February 1742 and claimed the crown of Bohemia as his own. With Prague under threat, the Austrians pulled their army out of Silesia to defend Bohemia. When Frederick pursued them into Bohemia and blocked their path to Prague, the Austrians counter-attacked on 17 May 1742, initiating the 