Additional information on cultural ties between SA and NA perhaps prompted by raft commerce

Anawalt, Patricia Rieff. "Ancient Cultural Contacts between Ecuador, West Mexico, and the American Southwest: Clothing Similarities," Latin American Antiquity, 3 (1992), 114-129.

Anawalt, Patricia Rief. 1997. Traders of the Ecuadorean Littoral. Archaeology 50, #6: 48-52.

There is also good evidence of Oceanic trade with South America by Polynesians.

Originally posted by mojo4sale
There is also good evidence of Oceanic trade with South America by Polynesians.

Just recently they ID by DNA a polynesian chicken in SA. THe Polynesians if they landed wouldn't have had much chance as SA military technology was quite superior to theres.