4. The national income tax, free and unlimited coinage of siver, and the direct

election of U. S. Senators were proposals included in the

O

Declaration of Sentiments

O

Federal Reserve System Act

O

O

Populist Party Platform

Sixteenth Amendment

The National Income tax, free and unlimited coinage of silver and the direct election of United States Senators were proposals included in the Populist Party Platform.

Explanation:

The Populist Party Platform existed in 1896, which was known as The Progressive Era, the platform called for a higher income tax, direct election of senators, restrictions on immigration and so on.