describe three demands of the populist party's platform and explain which one improve the United States the most justify your response

They wanted public ownership of the railroads

Explanation:

The populist party was the party set up to defend the interest of the farmers.

They advocated for public ownership of railroad and federal government regulation of the rates.

They advocated for more government influence on the economy to ensure monopoly businesses were adequately regulated.

They also advocated for the direct election of Senators to the Congress.

The advocate for public ownership of railroad and federal government regulation of the rates was more influential as it ensured agricultural produce was moved at a low cost and encouraged people to embrace agriculture and exports of the produce fetches the country income till date