We are provided with ammunition.

You can deliberate calmly." And as he concluded he raised his right arm, and from his sleeve fell a large poniard, which he had concealed, and with the other hand he rattled in his pocket the butts of a pair of pistols.
"Very well," said I, "let us continue." Three of the youngest and most eloquent orators of the Left, Bancel, Arnauld (de l'Ariege) and Victor Chauffour delivered their opinions in succession.

All three were imbued with this notion, that our appeal to arms not having yet been placarded, the different incidents of the Boulevarde du Temple and of the Cafe Bonvalet having brought about no results, none of our decrees, owing to the repressive measures of Bonaparte, having yet succeeded in appearing, while the events at the Mairie of the Tenth Arrondissement began to be spread abroad through Paris, it seemed as though the Right had commenced active resistance before the Left.

A generous rivalry for the public safety spurred them on.

It was delightful to them to know that a regiment ready to attack was close by, within a few steps, and that perhaps in a few moments their blood would flow.
Moreover, advice abounded, and with advice, uncertainty.