The Entente would probably collapse and the Asquith government fall if Britain watched Germany land in northern France. Even if the amphibious operation targeted France, it would demonstrate the ability to force the Channel with a large fleet and troop convoy close to the British coast. Britain would face a powerful invasion scare, extensive coastal fortification, and a renewed naval building program. Neutrality in 1914 would produce an urgent rearmament problem rather than lasting detachment.
Chapter · 1:12:28-1:15:12
If Britain stays neutral: Entente collapse and an invasion scare
The no-battle branch may let Germany defeat France quickly, but the sight of a German battle fleet and mass transport force in the Channel transforms British naval policy afterward.