Ow did upton sinclair's the jungle affect progressive reform?
it led to the creation of farm cooperatives by agricultural workers.
it led to workplace reform to remedy the hazardous and sometimes fatal conditions.
it exposed political corruption and promoted stricter regulations on government leaders.
it revealed the harsh conditions of child labor and prompted leaders to pass child labor laws.

Upton Sinclair's The Jungle affected Progressive reform as it led to workplace reform to remedy the hazardous and sometimes fatal conditions.

Explanation:

The Jungle is a socially critical novel by Upton Sinclair. Using the example of an immigrant family from Lithuania, Sinclair illustrated the catastrophic effects of capitalism dictated by profiteering and corruption at the end of the 19th century. Specifically, he described the exploitation of the workers and the hygienic ills in the slaughterhouses and canneries in the Union Stockyards of Chicago. He triggered a public scandal, which eventually led to legislative changes.

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism