While upton sinclair's the jungle exposed the unsanitary conditions of the meatpacking industry, the author initially wrote it in order to

The original purpose of Upton Sinclair's The Jungle was to expose the unfair work practices experienced by poor immigrant laborers. Most of the work in the industry was being carried out by people with few political or legal rights to protest their poor working conditions and harsh treatment. However, the public was most focused on the unsanitary conditions of the meatpacking industry.

could you give me the options ?

to protest slavery i would think it would be a