Until The 11th century ,peasants had a hard life because They had Low yields and the constant famines .
But during the 12th-13th centuries everything changes,since sin new invantions are applied: the horseshoe; the watermill,iron tools,the horsecollar, the mouldboard plought and the three years crop rotation.
Therefore,there is more production and this leads to a better nourishment and less diseases,so the population grows.
In the fiefs There are too Many peasants and Many of them go to live in cities in search of a better life. They Will become artisans or merchants.
