Why was thomas aquinas important to the church?
he was an italian noble.
he was a dominican priest.
he was a great educator who taught religion.
he was a scholar who wrote to defend religious ideals.

Saint Thomas Aquinas was a Catholic Priest in the Dominican Order and one of the most important Medieval philosophers and theologians. He was immensely influenced by scholasticism and Aristotle and known for his synthesis of the two aforementioned traditions.

the answwer is d i hope this helps