 Complete the following phrase:  After completing its preparations in the leisurely manner of the previous generation, Brunswicks army crossed the French frontier on 19 August 1792. The Allies readily captured Longwy 23 August and slowly marched on to besiege Verdun 29 August, which appeared more indefensible even than Longwy. The commandant there, Colonel Beaurepaire, shot himself in despair, and the place surrendered on 2 September 1792. Because this left the path to Paris wide open, radical revolutionaries in Paris and other cities panicked and started the 