Answer:
Cordoba was Europe most sophisticated city. It was a place where everyone could practice their own religions.
Explanation:
Isaac Newton promoted the idea that science must rely on repeated observation and experimentation.
The crusaders were trying to promote Christianity. They did this not by converting, but mainly by fighting others (infidels). During the crusades many people were killed. The crusaders were hypocrites because they believed that is is acceptable to kill in the name of a religion that explicitly says "Thou shallt not kill".