There was no impact of missionaries because there was no missionaries. Europe was all Catholic and travel outside of Europe didn't happen until the late 1400's so no missionaries were needed.
Many of the saints of the Middle Ages were missionaries. But saints came from all classes of life and did many very different things.
The time!✝
Early Middle Ages 400 - 700, High Middle Ages 700 - 1300, Late Middle Ages 1300 -1500.
Most of the music from the Early Middle Ages is plainsong or chant.
The third period of the Middle Ages was the Late Middle Ages. The first is called the Early Middle Ages or the Dark Age. The second period was the High Middle Ages.
Dark Ages
Chariots were raced in the Byzantine Empire in the Early Middle Ages.
The Roman Empire was followed by the Middle Ages: Early Middle Ages (5th to 10th century), High Middle Ages (c. 1001 to 1300) and Late Middle Ages (1300 to 1500).
Plenty of it!
The strongest civilizing force in Europe during the early Middle Ages was the Church.
There is a link below to an article on the Early Middle Ages. Aside from having a lot of information, it has other links and references.