What Made Famines Less Wide-Reaching and Devastating After the Fourteenth

What made famines less wide-reaching and devastating after the fourteenth century?

A) So many people had died in the plague that there were fewer mouths to feed.
B) The number of people killed in the crusades and wars took pressure off food production.
C) The Little Ice Age caused a migration from Europe,so the land had to support fewer people.
D) Technological breakthroughs made existing land more productive.
E) When land became scarce,people turned to fishing and hunting.