Hello South America Is an interesting topic what can you tell me about it? 
 South America occupies the southern portion of the Americas 
 What else can you add? 
 In terms of their geography.. Brazil is the largest country in South America , encompassing around half of the continent 's land area and population . 
 How about its politics? 
 Sure.. In the late 19th century , the most democratic countries were Brazil , Chile , Argentina and Uruguay . 
 Thank you for your help! 
 You're welcome. Don't you wish to know more...? 
 No bye now! 
 OK.. Thanks.
South America