Ustedes because it is gender neutral. Hope that helped!
Hi !
Es una ciudad moderna = true
Tiene un estilo europeo = false (colonial estilo)
Alli se escribo la constitucion = true (la constucion was elaborated en Chuquisaca, called now Sucre in August 5, 1825.
En ella se encuentra el Valle de la Luna = false (el Valle de la Luna is located North of Chile)
Hope I got it right...N° 2 is rather tricky with "european style".....
hope I helped :)
