Answer: Agriculture in the Middle Ages in Western Europe became more focused on self-sufficiency. Barley and wheat were the most important crops in most European regions; oats and rye were also grown, along with a variety of vegetables and fruits. Oxen and horses were commonly used as draft animals.
This excerpt from a letter is a critical primary source, since it was written in the first person and shows the extent to which many patriots during this time were willing to risk their lives for liberty.