Answer:
All of the answers apply.
Step-by-step explanation:
All of the following are beneficial roles that the Catholic Church played during the Middle Ages:
The Church sent out missionaries, helped the poor, and fed the hungry.
The Catholic Church worked to unify and stabilize Europe.
The Church established a set of rules known as the "Peace of God" in an attempt to protect innocent civilians from the numerous wars ravaging Europe.
In addition to these, the Catholic Church also played a significant role in education, art, and architecture. It established schools and universities, commissioned works of art, and built churches and cathedrals. The Church also played a role in the development of law and medicine.
The Catholic Church was not without its faults, but it also played a major role in shaping the development of Europe during the Middle Ages.