Enter an answer into the box. A good knowledge of Mexican cities is needed. Surprisingly all Venezuelan cities disappear off the list in 2023. Does not count any area at war. And South Africa breaks up the Americas monopoly
Guatemala would be easier to get if it were spelled correctly, though the mispelling in the hint I guess is a clue. Also, it's very easy to add extra rows to your quiz. In the quiz editor just look to the right when you are editing the answers. There should be a button that says "add row"
Otherwise it is like just writing DC for Washington or Distrito Federal for Mexico City or Brasilia.