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).

Q: History has taught us that Fascists start to blow hot and cold: using heated words first, in populist, xenophobic speeches, and then cool words in order to make themselves acceptable to institutions and to infiltrate them gradually, poisoning them, until the day they start to take action.

A: La Historia nos ha enseñado que los fascistas empiezan jugando con dos barajas: primero una, con los discursos populistas y xenófobos, y después la otra, para volverse presentables en las instituciones e infiltrarse progresivamente en ellas, gangrenarlas, hasta el día en que pasan a la acción.
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Q: Funds have often been granted for projects which have had no lasting benefit for the area concerned.

A: A menudo se han concedido fondos para proyectos que no han dejado ningún beneficio permanente en la zona de realización.
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Q: The cause of the disaster must be sought in the weakened structure of the oil tanker.

A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Habrá que buscar la causa de la catástrofe en la estructura debilitada del petrolero.
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