How does the author support the claim that people had a hard time making sense of the attacks on September
11th?

some american cities felt workers were being oppressed by business monopolies

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.