<span>The
challenge that early farmers did not face as a result of the change from a
nomadic lifestyle to an agricultural lifestyle could be early death caused by
disease. Because in agricultural lifestyle, the nomads are now trying to
establish a boundary between their food to eat and food to sell or exchange. It
could also be a challenge for them to clear and cultivate lands because of the
lack of resources.</span>
Answer:
Over time, the Feudal system became more formalized, and grew into a strict social hierarchy. At the top were monarchs, and below them were nobles or lords. Next came the knights, and then, finally, the serfs or peasants. A Monarch is another word for 'King' or 'Queen'.
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D. Europeans began questioning their faith in the Catholic Church.
