The Black Death killed a vast number of people in Europe.
As such, workers were in high demand, giving serfs more power to negotiate and more freedom to move about to find the best deal. Many former serfs moved to cities.
However, the Black Death also caused the nobility to lose a lot of money - no workers, no food or goods.
The answer to your question is, I believe, B.
Answer:
Conscription is the orderly selection of people (usually men) for required military service. It is usually employed when a small standing army must be expanded because of the threat or outbreak of war. Since prehistoric times men have been trained from youth to defend their communities against attack.
Explanation:
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The 'global warming' would have been a cause that led to the agricultural revolution. As climates became warmer, crops would have grown more sufficiently and domesticated animals would have had a higher chance to survive which increased food supplies and also led to the rise of the industrial revolution.
3 rows of 5=15
a row runs horizontally