What is meant by objectivity in the study of history

How did turkey change as a result of world war i?

Which roman emperor was responsible for a major shift in the dominate religious attitude of the roman empire?

What role did mazzini play in italian unification? a.) he dreamed of a united italy and took the first steps to achieving it. b.) he conquered the southern part of italy, including sicily. c.) he was the first leader of a united italy. d.) he was assassinated by the french government, making him a martyr.