15. By his statement in lines 71–75, the author most nearly
means that during the Little Ice Age:

  • A. food or the lack thereof could have far-reaching
    and long-lasting effects.

  • B. the difference between hunger and plenty was a
    very small one.

  • C. food shortages were relatively rare at the national
    or continental level.

  • D. the insufficiency of food motivated peasant farmers
    to work harder.