It appears that A is the best answer here, although a more important reason for the increased agricultural production was crop rotation and planting two crops a year.
http://www.flowofhistory.com/units/west/10/FC63
One of the biggest reasons for the increased European agricultural production in the medieval period was?
A) the introduction of a heavier plow.
B) the official support of the serfs by the popes.
C) the introduction of new crops from the Byzantine world.
D) the money invested in the countryside by the kings
(E) the agricultural loans guaranteed by powerful Italian banks.
1 answer
1 answer