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En septiere de 1938, Hitler amenazó con declarar la guerra para anexionarse la zona de la frontera occidental de Checoslovaquia con sus 3,5 millones de ciudadanos de lengua alemana. El primer ...

The typical energy resources currently in use include non-renewable sources that will not last forever. In fact, we have already used up a large percene of the earth’s non-replenishing resources. This is having a profound destructive effect on not only our economy ...