TASK DEFINITION: In this task, you are given a sentence in English and your task is to translate it into Spanish. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).
PROBLEM: How do we ensure that unlawful state aid is paid back?

SOLUTION: ¿Cómo nos aseguramos de que nos sea devuelta la ayuda estatal declarada ilegal?

PROBLEM: We cannot have a decisive and fair Europe unless it is also open and democratic.

SOLUTION: Sólo podemos lograr una Europa dinámica y justa si es transparente y democrática.

PROBLEM: In my opinion, we now have to make a significant and urgent effort to confront new problems, also deriving from American legislation, which emphasise the safety of the transport of dangerous goods in the maritime sector.

SOLUTION:
En mi opinión, hay que hacer ahora un esfuerzo importantísimo y urgente por enfrentarse a nuevos problemas, derivados también de la legislación norteamericana, insistiendo en la seguridad de los transportes de mercancías peligrosas en el sector marítimo.