Respuesta :
The Crusades also opened up many new trade possibilities with goods that Europeans never had access to before.
The Europeans learned about new concepts in math as well as a new numbering system, called Hindu Arabic Numerals, that we still use today. They gained access to new medical knowledge and other ideas as well. The Crusades also opened up many new trade possibilities with goods that Europeans never had access to before.
One of the most important effects of the Crusades was the increased trade and economy. During the Crusades, many Crusaders were fascinated by the luxury goods they found in the Middle East and took them back home as soon as the Crusades ended.
The Crusades slowed the advance of Islamic power and may have prevented western Europe from falling under Muslim suzerainty. The Crusader states extended trade with the Muslim world, bringing new tastes and foods to Europe.
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