Empire which had allied with France into larger electorates, duchies and kingdoms to make the governance of non-Prussian and Austrian Germany more efficient. He also elevated the electors of the two largest Confederation states, his allies Württemberg and Bavaria, to the status of kings. The Confederation was above all a military alliance: in return for continued French protection, member states were compelled to supply France with large numbers of their own military personnel (mainly to serve as auxiliaries to the Grande Armée), as well as contribute much of the resources needed to support the French armies still occupying western and southern Germany. Understandably, Prussia was indignant at this increasing French meddling in the affairs of Germany (without its involvement or even consultation) and viewed it as a threat. Napoleon had previously attempted to ameliorate Prussian anxieties by assuring Prussia he was not averse to its heading a North German Confederation, but his duplicity regarding Hanover dashed this. A final spark leading to war was the summary arrest and execution of German nationalist Johann Philipp Palm in August 1806 for publishing a pamphlet which strongly attacked Napoleon and the conduct of his army occupying Germany. After giving Napoleon an ultimatum on 1 October 1806, Prussia (supported by Saxony) finally decided to contend militarily with the French Emperor. Prussian campaign In August 1806, the Prussian king Friedrich Wilhelm III made the decision to go to war independently of any other great power, save the distant Russia. Influenced by his wife Queen Louise and the war party in Berlin. Another course of action might have involved openly declaring war the previous year and joining Austria and Russia in the Third Coalition. In fact, the Tsar had visited the Prussian king and queen at the tomb of Frederick the Great in Potsdam that very autumn, and the monarchs secretly swore to make common cause against Napoleon. Had Prussian forces been engaged against the French in 1805, this might have contained Napoleon and prevented the eventual Allied disaster at Austerlitz. In any event, Prussia vacillated in the face of the swift French invasion of Austria and then hastily professed neutrality once the Third Coalition was crushed. When Prussia did declare war against France in 1806, its main ally the Russians still remained far away remobilising. The electorate of Saxony would be Prussia's sole German ally. Napoleon could scarcely believe Prussia would be so foolish to