There were no crusaders fought in Europe there were all fought in the Middle East and Turkey.... There was a time when the Muslims did control Spain but it's not a Crusade.... Crusade even means "Holy War".
The two mains sides that fought in the crusades were the Christians and Muslims.
The first two were in Israel, the third never made it past Constantinopal. as for why... that's too big a question for me to answer
This is a very broad question. Do you mean Europeans, Saracens, or both? But ideas might be two-fold. Some people who fought in the Crusades benefited greatly from the new ideas, pillage, ransom, and trade they gained while others suffered famine, poor nutrition, disease, injury, and death.
There are two types of crusades: the political crusades and the religious crusades. The crusades are used to win new converts and inform. Political crusades are usually used for power and fame.
france and belgium
The two mains sides that fought in the crusades were the Christians and Muslims.
Jamaica and Tai-Wan
How about the Christians and Muslims
The Crusades were primarily fought between Christians from Western Europe and Muslims in the Middle East.
England and France
What were two ways women fought for change during the industrial revolution
England and France
The Crusades were fought between Christian crusaders from European countries and various groups in the Middle East, primarily Muslim armies defending their territories.
When and what countries
The two European countries that fought over the territory that became Canada were France and Britain. France colonized parts of Canada first and then Britain stepped in. This is why there is such an influence from French culture in Canada.
The Crusades were fought primarily between Christians from Western Europe and Muslims in the Holy Land, particularly the Seljuk Turks and later the Mamluks.
France and Britain, bearing in mind that America belonged to Britain during this period.