It was a constant work-in-progress, ultimately failing in 1914
It led to European wars in 1866 & 1870, and laid the foundation to national rivalries that fuelled the descent into war and chaos of the 20th century.
Castlereagh led this work as Britain could see a direct ALIGNMENT of interests between political consolidation in Germany & UK biz
Even Pitt desperately sought to keep European armies fighting against Napoléon through British gold & subterfuge.
The Entente Cordial of 1904 set the scene signalled our continued engagement in Europe
1930s appeasement again saw UK try to isolate and detach itself.
The loss of Poland to the Ribbentrop-Molotov pact showed the folly of UK isolationist foreign policy.
We’re being driven by an alien ideology, not UK interests. That fact is itself un-British.
Far from it. Our European membership was a culmination of pragmatic & deepening engagement in continental alliances, muddy battlefields & gilded ballrooms