Many historians have argued that the conditions represented in the novel the jungle were caused by

A)the country's strict belief in laissez-faire economics.

the american revolution was by the middle and upper class, and the french was by the lower and middle class.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.