What does historiography suggest about history?

a)that it is a fact-based discipline

b)that it changes each decade

c)that it is open to interpretation

d)that there is only one correct interpretation

What historiography suggests about history is C. that it is open to interpretation.
Historiography is the study of historical writings, and no one who hasn't lived in that time can say for sure what happened - it is open to interpretation

What document are you referring to