[Junior]

The British didn't know the Germans were up and about until they closed with the German trench line. The Germans weren't firing as soon as the British cleared the trenches in the Somme offensive.

[RLK]

The films show the British continuing to march at high port as they were mowed down. It was considered "bad form" to duck or fight back from a protected prone firing position. The evidence is on film and in the casualty numbers.