The dust bowl select one: a. was primarily from ecological effects of a hurricane b. was from erosion after poor farming practices c. occurred because of swidden agriculture d. was because of over-irrigation from the ogallala aquifer

mickey : )

explanation:

why not?

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.