south America, for the most part, will be a carbon-copy of what happened in north America when the Europeans began arriving with blankets laced with smallpox & other diseases, plus gifts of intoxication. i suspect the conspired problems for south America began back when the nixon administration was in the whitehouse, and has since continued-on from there.
preserve as much of your culture as you can and protect individual "health-care" practices as possible. there is really now stopping the monster international corporations from controlling the financial system. you have already begun to witness the undoing of the rainforest. once the minerals have been fleeced from south America, the massive deforestation will begin in full force.
special agencies from a few countries around the world will implant civil unrest to profit from. the obvious lucrative trades are sex, drugs, and firearms. the sooner the population can secure "real" & unregulated freedoms for those topics, the more freedom generations will enjoy.
bio-engineering is really changing the concept of life, and who owns life. but as always, loyalties can be bought. sorry Brazil, don't know what else to say. enjoy the Olympics if possible?