Why did the British rush to build more warships in ww1

The Royal Navy was by far the most powerful of the world's fleets. It kept the British Isles immune from invasion and was also primed to blockade enemy ports in time of war. Fundamentally, however, its purpose was the protection of trade. ... Any threat to Britain's naval supremacy was a threat to the nation itself.

Explanation:

by creating a labor shortage that pushed the continent toward a market economy

the first forms of writing came from them in the form of pictographs around 3100 bc.