The wily tactician left some wriggle room: his renunciation was to facilitate a grand alliance of the right; if it does not happen, he could make another U-turn.
Three of them, Austria, Prussia, and Russia, under the leadership of the Czar, Alexander I, in the autumn of 1815, had entered into a Holy Alliance to sustain by reciprocal service the autocratic principle in government.
And there's a very substantial group who are anti-Austrian, who think that Austria have somehow tricked France into this alliance, and that Austria is getting a better deal out of the alliance than France is.
The venerable Kingdom of Prussia and the Austrian Empire made a powerful alliance, while the United Kingdom and France were locked in an economic stalemate.