Anyone living in the U.S. can immediately see that much that is good here came from other cultures. However, the basic American culture of individual rights and freedom underlies the whole thing.

And as Phil pointed out, the Muslim world of the Middle Ages, famed for its tolerance and respect for the rights of its citizens* is nothing like the Muslim world advocated by the Taliban. It would not be wrong to state that during parts of the Middle Ages, the Arab world was the repository for Western Culture, while Europe wallowed in mysticism, violence, and primitive political systems.

Check this page out which I have posted more than once. If you overlook an Ensign Chekov-like tendency to claim almost everything in sight, it is largely true.

*At least compared to the Europe of the Middle Ages