How can a historian determine whether an account is affected by bias?

if it is primarily against one body or people

Explanation:

Bias means it speaks factually bias means its an opinion on the situation against a certain group regardless

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.

formulating the initial idea for the policy

answer is c.