One more thing: the expression "not quarter is given" implies, that in earlier times, one dealt "in a civilized manner" with the rest of the world and with Europe. This was not the case, they have enriched themselves in the most brutal way.
Una más cosa:la expresión "no dar cuartel" implica, que en épocas anteriores, uno trataba "de una manera civilizada" con el resto del mundo y con Europa. Este no era el caso, se han enriquecido en la forma más brutal.