Given the task definition and input, reply with output. In this task, you are given a sentence in Spanish and your task is to translate it into English. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).

Nuestras fronteras internas, o lo que queda de ellas, ya no causan guerras, pero si siguen generando atraso economico, barreras sociales e incomunicacion cultural entre los pueblos de Europa.
Our internal borders, or what remains of them, no longer cause wars, but they do continue to generate economic backwardness, social barriers and a lack of cultural communication between the peoples of Europe.