What events caused Western Europe to feel it was separate from the whole of the West? Why didn't Europe feel it was attached to the U.S. when the World Trade Center was attacked?

After the attacks on 9/11 in New York city, the attacks on 3/11 in Madrid, and the attacks on 7/7 in London, only a margin of people woke up and began recognizing that radical Islamists were to blame. Why were some still skeptical, treating the attacks like natural disasters and not planned destruction? Was it severe denial, ignorance, or arrogance?

The Netherlands, and Amsterdam in particular, is famous for its liberalism and freedom of life. Why then were radical Muslims so honed on destroying that city and country that ave them so much aid and help to live their lives the way they pleased?

Most of the ideas in the book are based...