In the late 19th century, the Populist Movement emerged as a response to the economic struggles faced by American farmers and laborers. Central to the movement was a platform advocating for monetary reform, government ownership of railroads, and a greater voice for the common people in politics. Among various presidential candidates aligning with or opposing the goals of the Populist Movement, which of the following individuals is best known for having adopted several key elements of the Populist platform into his own campaign during the 1896 presidential election?