Which european country entered world war i as part of the central powers but later switch sides to the allies in 1915

Plz which of the following statements about life in europe during the middle ages is not accurate. a. by the middle ages the only unifying factor in europe was christianity. b. most people lived in rural areas and worked on farms. c. priest, monks and church officials were virtually the only people in europe who could read and write d. most people lived in cities or towns and worked as skilled artis most people lived in cities or towns and worked as skilled artisans.

Need ! how did sumner define liberty in the book of "voices of freedom"

What treaty ended the conflict with little turtle