Based on the clue 'brazil was once the top producer of this sweet stu...', what is the answer?

What is referred to by 'brazil botswana belgium'? What is referred to by 'brazil china poland'? Based on the clue 'brazil has 2 federal legislative houses the chambe...', what is the answer? Based on the clue 'brazil is celebrating its qunicentennial this many...', what is the answer? Which performer is associated with 'brazil'? Based on the clue 'brazilian airline whose name is an abbreviation of...', what is the answer? Based on the clue 'brazilians call this holiday eve reveillon thats w...', what is the answer? Based on the clue 'brazilians have added words from african slaves t...', what is the answer?