You will have to look at whether or not the creator of the source had a really positive or negative outlook on the situation.
If they are -for example- great friends with a bully, they will not tell as much of the truth, but if they are enemies, they may tell a very exaggerated truth to get them in trouble.
You must look for a very neutral feeling on both sides of the matter. If the author has an opinion, more likely than not it will affect the way they share the information
The response was that the government should not interfere with the market since it would ensure the prosperity of everyone in the long run.
The 19th century was known for government wanting to meddle in the affairs of the market because the second half of the century, after the civil war, marked the beginning of the reconstruction and the beginnings of the progressive age when the government wanted to meddle in the market and protect the workers who unionized more and more.
All are tied up to a revolution that provided the lower class people new grounds to stand on. In the mist of the revolutions a sense of national pride is common place.
Leading the people to believe false information