Final answer:
The Populists fought for the plights of farmers and the working class, advocating for policies to address economic challenges and increase wealth for these groups.
Step-by-step explanation:
The Populists, also known as the People's Party, were fighting for the plights of farmers and the working class. They aimed to address the economic challenges faced by farmers, such as debt and low farm prices, by advocating for policies like a graduated income tax, direct election of U.S. Senators, and loan programs to balance food costs. The Populists also called for the unlimited coinage of silver, which they believed would increase wealth for farmers and the working class. However, as the nation became more urban, the Populists struggled to connect with urban voters and eventually faded as a national party.