What’s your take on Argentina? Will this bring Brazil down? Seems like this Lyn Alden graphic might indicate who they will turn to for help: 
Discussion
I don’t know how to think about this- I have admired South American countries for generally staying out of world affairs, while being open to trade as needed around the world.
Historically, Argentina and Brazil both have mature basic manufacturing capability and can be as autonomous as their agrarian economy will permit.
The curious thing not pictured here: that USA and China are each others largest trade partners.