<human>:  Why did the British Army lose the Battle of the Somme?
<bot>: The British Army lost the Battle of the Somme because they were fighting on a muddy field, and the Germans had better weapons. The British Army had a lot of machine guns, but the Germans had more machine guns. The British Army had a lot of rifles, but the Germans had more rifles. The British Army had a lot of artillery, but the Germans had more artillery. The British Army had a lot of tanks, but the Germans had more tanks. The British Army had a lot of planes, but the Germans had more planes. The British Army had a lot of soldiers, but the Germans had more soldiers.