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Because they were so good
A sword???
They brought back knowledge that had been lost before the crusades
Diabeetus and ADHD.
To bring them luck.
People brought with them a wide variety of skills and trades.
They brought trade.
cinnamon!
The impact of the Crusades on Europe were substantial. Although not its intention, the Crusades stimulated trade with the East. This introduced to Europe luxury goods. Other impacts were as follows: A. The Crusades took pressure off of the Byzantine empire; B. As nobles left their lands in Europe to fight, it allowed kings in Europe and the Church to regain some of their power; C. Religious fraternities such as the Knights Templars began to keep guard on Holy Land activities; and D. Taking heed of financial institutions in the East, the basis of a banking system began to develop in Europe.
how temperature can bring about changes in the state of matter
The Fairs were a place where people could go to buy goods from all around the world. The fairs would bring people together and the social lives of people began to change as well. Cities became trading centers because of the fairs, and much wealth came about from different cities over the world.
they gained wealth, gained status in society, joined a growing middle class for skilled workers