Answer: There are no Greeks because you didn't put any options
Explanation: Can you please put the question on here, and edit, so we can see which of the "following" are Greeks??
1. Key words are trade and tariffs. Only economic terms
B) Cabeza de Vaca
Alvar Nuñez Cabeza de Vaca went on to write an account of his story called Chronicle of the Narvaez Expedition.
I hope this helps! :)