During the middle ages who was most likely to own a manuscript or a book

1: how did the rise of rulers with total power in europe and asia lead to world war 2?

The land bridge and coastal crossing theories concern the earliest human migration from

Historians use periodization in order to: a. decide when a certain historical even took place. b. divide history into units with distinct start and end dates. c. criticize arguments made about the past. d. organize history into different timelines