Talk politics.

Well, the foreign intervention escalating problems there were already there factor does apply, yes, but I'd also note that Greece was starting from a very infrastructure and capital-poor situation in the first place. There's a reason it was predominantly led by a very small number of people who were very seldom challenged where their monopoly on power was concerned. That's generally a sign the state in question is too poor to put up any effective challenge to such people to begin with as it's a reflection of pre-industrial social patterns more than the 21st Century ideal.