But weren't the British Empire's undersea telegraph lines all copper? They lay the first transatlantic cable in 1858, connecting Ireland and Newfoundland. By 19

But weren't the British Empire's undersea telegraph lines all copper? They lay the first transatlantic cable in 1858, connecting Ireland and Newfoundland. By 1911 their worldwide undersea network was completed, with so much redundancy that 49 cuts would have been necessary to isolate the United Kingdom from its empire. https://en.m.wikipedia.org/wiki/All_Red_Line https://en.m.wikipedia.org/wiki/All_Red_Line