They brought back knowledge that had been lost before the crusades
No, the crusades never were near Asia. The crusaders did bring back new ideas, foods, math, science, and other things.
Diabeetus and ADHD.
A sword???
Some new ideas from the Crusades included the introduction of Arabic numerals to Europe, leading to advancements in mathematics and business. The Crusades also brought about a greater exchange of knowledge and cultures between the East and the West, leading to increased interest in trade and exploration. Additionally, the Crusades sparked debates about religious tolerance and the nature of warfare that influenced future societal developments.
Advantages: Crusaders are able to bring back books fill with knowledge. Also, they bring back goods which spur trade. Disadvantages: They are unable to bring brack the Holy Land and it eventually leads to the Black Death.
They brought back ancient Roman and Greek texts and the Renaissance is the rebirth of these classical, philisophical ideas.
To bring back old members and to reconnect
Some knights went on the crusades to bring back wealth. Some went as part of a quest, or as part or a religious pilgrimage.
The Crusaders brought back many new ideas and inventions and things such as spices, architectural designs and much more including construction skills and ideas from the muslims that were in palestine at the time
Because they were so good
Trade and War