Spain is portion of the European Union and all EU and American nationals can visit the united states for a era of now not than 90 days solely with a passport. EU national can observe for a residency enable if they would like to extend their live.

https://zenwriting.net/binasshhxv/spain-is-component-to-the-european-union-and-all-eu-and-american-nationals-can

Spain is component of the European Union and all EU and American nationals can stopover at the united states of america for a duration of now not than ninety days totally with a passport. EU countrywide can practice