If we want to use only one official working language, it should be Esperanto. This would be neutral for any country (including Ireland and Malta). This would not be a threat to other languages and cultures.
Esperanto is easier to learn than any naturally evolved language. Its benefits are clear, it only needs a political support to thrive.
Esperanto is easier to learn than any naturally evolved language. Its benefits are clear, it only needs a political support to thrive.