 Complete the following phrase:  The Battle of Brienne and the Battle of La Rothière were the chief incidents of the first stage of the celebrated 1814 campaign in north-east France, and they were quickly followed by victories of Napoleon over Blücher at Champaubert, Vauchamps, and Montmirail. The courage of the Prussian leader was undiminished, though, and his victory against the vastly outnumbered French, at 