It decreased three-fold.
It increased 4 times itself.
It decreased slightly.
Europe settled and was more peaceful.
Europeans did not understand basic reproduction concepts.
Food production increased.
There was a change in climate improving living conditions.
People harnessed the power of wind and water.
Many new devices were made of iron.
The carruca was created, which was a heavy wheeled plow.
Steel was made and used in scythes as well as hoes.
They were too fast.
They were too slow.
A new collar that spread weight around the shoulders.
Both A & B
None of the above.
They borrowed money from the lord.
They saved up as long as they could.
They gave extra crops to the lord.
They shared beasts with the villagers.
A one-field system.
They stayed at a two-field system.
A three-field system.
A four-field system.
To increase fertility and they varied their crops.
The lord demanded it.
They learned this new farming technique from the Muslims.
They learned it from the monks.
They gave a portion of their crops to the lord.
They had to work at the castle 2 days of the week.
They didn't pay rent. They were considered free.
They had to give all their crops to the lord.
The lord had to protect the serfs.
The lord had no duty to the serfs.
He had to make sure they had enough to eat.
He had to make sure they were fed, clothed, and housed.
July & August
August & September
September & October
October & November
The right to buy and sell property.
The right to representation if taken to court by the lord.
Freedom from military service to the lord.
The right of anescaped serf to become a free person after living a year and a day in a town.