Their tactics worked against Germany. One British soldier said "Enemies suffered over 60,000 casualties during the first day alone. When Haig received the first causality figures on July 2, an estimate of 40,000 total casualties had died." (Haig, Douglas) This attack against Germany occurred in November 1916. Britain was able to move on because their tactic in the Trenches. Britain focused mainly on offensive skills. While German soldiers were busy thinking about whether to choose offensive or defensive to fight.
Even though Britain had great tactics against Trench Warfare, their Trenches were more technologically advanced than Germany. British troops had tunnels leading from one place to another. For example, when one part is gassed they were able to move out from the area, to safety. This gave more of an advantage to the British troops. Unlike Germany's trenches, which had blocked areas causing slow medical care for the wounded