Multiple choice general knowledge culture Chile is the first country from South America to become a member of the: North Atlantic Treaty Organisation G8 Nations Organization of the Petroleum Exporting Countries Organisation for Economic Cooperation and Development Reveal answer Fill a bubble to check yourself D Correct answer Explanation Chile was the first South American country to join the OECD (Organisation for Economic Cooperation and Development) in 2010, recognizing its developed economy. Chile is not in NATO, G8 (now G7), or OPEC.