Complex sentence: There are different theories over the origin of the name with the most likely being just as a'spectre haunts Europe-the spectre of communism' from The Communist Manifesto, Spectre plans to haunt New Labour.
Split into simpler sentences: There are different theories over the origin of the name. One of these is just as a'spectre haunts Europe-the spectre of communism' from The Communist Manifesto, Spectre plans to haunt New Labour.