Review question: In response to public concern over issues raised by Upton Sinclair's The Jungle the federal government expanded its role in - square 1 implementing social square 2 working with labor unions to increase square 3 taking responsibility for the safety of 4 setting limits on the growth of private industry

The correct answer is:<br /><br />4. setting limits on the growth of private industry<br /><br />Explanation:<br />Upton Sinclair's novel "The Jungle" exposed the harsh conditions and unsanitary practices in the meatpacking industry, leading to public outcry. In response, the federal government took action by passing the Pure Food and Drug Act and the Meat Inspection Act in 1906. These laws aimed to regulate the food and drug industries, ensuring the safety and quality of products for consumers. By doing so, the government expanded its role in setting limits on the growth of private industry to protect public health and safety.