Final answer:
The Benedictine monastic communities exemplified early Christian principles through their adherence to the Rule of St. Benedict and their focus on prayer, study, and useful work.
Step-by-step explanation:
The Benedictine monastic communities exemplified early Christian principles through their adherence to the Rule of St. Benedict, which emphasized prayer, study, and useful work. The monks followed a strict schedule that included daily prayers, time for studying religious texts, and engaging in work to support their monastery. They also played a crucial role in preserving knowledge and education through their practice of copying books by hand and creating illuminated manuscripts.