Middle Ages, Peasants, Crusades, etc.

Three words to describe life in the Middle Ages

How long did the average person live during the middle ages?

Who was the most powerful person in Europe, and what group did he lead?

What is the name of the system that was used in the middle ages to provide security in exchange for loyalty and freedom

What is the name for when there is not enough food and humans start to starve?

What is the name of the group that was in charge of land but below the King in the F.... System

The lowest class or person in Europe

While europe was faling behind in science, math, art, knowledge, etc., who was expanding it?

What is the name of the group that provided protection in the F. System