Answer: In Medieval Europe, knights pledged loyalty to vassals, who in turn pledged theirs to powerful lords, and serfs labored in the fields.
Explanation:
A rigid hierarchy refers to one where people who are born into a certain position in life, find it quite hard to move from it or rather one where there are different social classes and people had to be classified in one class for the system to work.
The system during medieval times was much like this. Social classes existed that determined a person's worth in society such as the knights, vassals, Lords and Royals. There was also the serfs who were considered the lowest in the hierarchy.
The sun is 320,000 times as massive as the earth, but only 400 times as far from the moon as the earth is. Therefore the force of the suns gravity on the moon should be twice as big as the earth's and the moon should go around the sun instead of around the earth so the answer is the sun.<span>
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In any particular culture, an idea or way of doing things that is common to the culture is called a cultural norm.
Their abundant rainfall and temperate climate.