Val Dorta has a piece, "The Allende Myth", that puts paid to the legend that a CIA-engineered coup put an end to a popular democracy in Chile.
Dorta, relying on sources from all parts of the political specttrum, shows the indecision and incompetence of Allende made the coup inevitable
Notwithstanding the excesses of the Pinochet regime, Chile has more prosperity, democracy, and yes, equality, than any other Latin American country.
The experiment shows conclusively that market capitalism is more effective at developing a relatively poor country than authoritarian communism (North Korea) or semi-socialism. We '60s and '70s academic socialists were wrong.