 Complete the following phrase:  The irresolution and divergence of interests usual in Sixth Coalition armies found in him a restless opponent. Knowing that if he could not induce others to co-operate, he was prepared to attempt the task at hand by himself, which often caused other generals to follow his lead. He defeated Marshal MacDonald at the Katzbach, and by his victory over Marshal Marmont at Möckern led the way to the decisive defeat of Napoleon at 