> Right to food
I guess this can be blamed on US embargo.
> Repression of dissent & Freedom of expression
Not sure if such mild issues justify the harsh embargo...
Well, I guess US truly wanted all the south american nations to be deprived of independent industrialization. 
I guess the rise of China offered an alternative to these SA nations.
Let's see how things pan out...
Blaming all the region problems on the "imperialists" and stuff like that is a line of thought still very alive and kicking around here - it is way easier to blame some imaginary entity than taking responsibility for your present situation. It is very inline with the current "outrage porn" culture.
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