You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: PARLIAMENTS 
Clue: We wonder if this body, Iceland's parliament, issues its laws "to all people"
althing

Category: DOUBLE A 
Clue: Biblical man with a talking ass
balaam

Category: THE 1970s 
Clue: In 1977 Bank of America changed the name of its Bank Americard to this 4-letter word

visa