The discovery of the Gunpowder Plot aroused a wave of national relief at the delivery of the king and his sons , and inspired in the ensuing parliament a mood of loyalty and goodwill , which Salisbury astutely exploited to extract higher subsidies for the king than any ( bar one ) granted in Elizabeth 's reign . The foiling of the Gunpowder Plot initiated a wave of national relief at the delivery of the King and his sons , and inspired in the ensuing parliament a mood of loyalty and goodwill , which Salisbury astutely exploited to extract higher subsidies for the King than any ( bar one ) granted in Elizabeth 's reign .