What role did the United States assume with the Monroe doctrine

in all honesty, it really hasn't. except that hitler killed himself.

he was able to speed up production of the processing of seeds

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.