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Which best describes why subsistence farming was forced to evolve in the late 20th century?
A. Increasingly extreme weather disrupted production.
B. Output per person failed to increase.
C. Yields were unable to meet demand.
D. Leaving land fallow disrupted production.
E. Growing and urbanizing populations needed to be fed.
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Which best describes why subsistence farming was forced to evolve in the late 20th century?
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