Multiple choice general knowledge

Which other country's currency is US Dollar apart from the USA ?

  1. Chile

  2. Ecuador

  3. Bolivia

  4. Panama

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ecuador adopted the US dollar as its official currency in 2000, replacing the sucre after economic crisis. While Panama also uses USD, the question appears to target Ecuador as the more prominent dollarized economy in South America. Chile uses peso and Bolivia uses boliviano.