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 u.s. department of labor is a cabinet-level federal agency that supports the american labor force. it has three overall functions. first, it protects the rights of workers and retirees. second, it provides job training. third, it provides statistics related to working, prices, and income.