Final answer:
The works of Thomas Aquinas were heavily relied upon in the deliberations of the Council of Trent, particularly his integration of Aristotelian philosophy with Christian theology which influenced the council's doctrinal decisions. Therefore the correct answer is 3) Thomas aquinas
Step-by-step explanation:
In the deliberations of the Council of Trent, the council drew heavily on the works of Thomas Aquinas. This theologian, philosopher, and Doctor of the Church was considered one of the greatest Christian philosophers of all time. His Scholastic approach, application of Aristotelian philosophy to Christian theology, and influential writings, such as his Summa Theologica, were significant in shaping the Church's response to the challenges presented by the Reformation.
During the Council of Trent, which took place between 1545 and 1563, key outcomes included the rejection of Lutheran justification by faith alone, affirmation of the Doctrine of Merit, the existence of Purgatory, the importance of the seven sacraments, the necessity of religious art, and the authority of Scripture alongside Church teachings and traditions.
While other figures like Saint Augustine of Hippo were also influential, his works did not hold as much sway during the Council of Trent. Instead, Thomas Aquinas' incorporation of classical philosophy into Christian doctrine provided the intellectual framework that the Council members utilized to address the challenges of the Reformation and reaffirm Catholic teachings.