What is one way for detecting bias in a written source?

A piece is biased if the author is not sharing both sides of a story or is sharing their opinion on what is true or better.

Explanation:

the end of the gilded age coincided with the panic of 1893, a deep depression, which lasted until 1897 and marked a major political realignment in the election of 1896. this productive but divisive era was followed by the progressive era.

there were abundant sources of fuel nearby