Which two south american countries are located where they can benefit from atlantic and pacific trade routes?

uruguay chile brazil argentina.

Argentina and Chile are the two South American countries are located where they can benefit from Atlantic and Pacific trade routes. The correct options among all the options that are given in the question are the second and the fourth options. I hope that this is the answer you were looking for and definitely it should help you.

The two South American countries that are located where they can benefit from Atlantic and Pacific trade routes are Argentina and Chile. 
These two countries are located at the perfect spot between these two oceans, so that they can gain all the money and goods coming from these trade routes. 

None   they are   equally likely to occur on any plate boundary