Make the given text more consistent
The U.S. VII Corps, on the left, had the hardest going due to the German concentration north of the bridgehead. German's armored columns managed to advance 12 mi (19 km) beyond their line of departure.
The U.S. VII Corps, on the left, had the hardest going due to the German concentration north of the bridgehead, yet its armored columns managed to advance 12 mi (19 km) beyond their line of departure.