In Latin America, Old Wounds Make New Trouble

One key factor is the conflict between the people who live near the mine and the central government. Many local people in Latin America, especially when the locals speak languages other than Spanish, have been taught through centuries of exploitation and contempt, to regard central authorities as piratical oppressors. They have not reached this view because they are stupid.
http://blogs.the-american-interest.com/wrm/2012/03/25/in-latin-america-old-wounds-make-new-trouble/