All of the above is the answer
Monastic communities were centrally important to the revival of learning during Charlemagne's reign.
Hope this helps:D Please vote Brainliest!
"<span>D. More people turned to custom made goods and away from cheap, mass-produced items" is not true. In fact it was quite the opposite thanks to industrialization. </span>
They were kept from combat roles.
Genghis Khan was ruthless and gruesome. His strategy was to scare people into submission. When they were scared, they would surrender easily and it would save Khan's army much money, time and resources. however, in order to do so, Genghis would ruthlessly slaughter men, women, and children to prove his point.