Some things that Populists supported were: A.)free silver, a progressive income tax, and an eight-hour workday.
B.)changing to the gold standard and ending any government regulation of business.
C.)private ownership of communications and transportation systems
D.)the exclusion of African Americans from Populist Party membership.

A.)free silver, a progressive income tax, and an eight-hour workday.

B.)changing to the gold standard and ending any government regulation of business.

Explanation:

The platform also called for a graduated income tax, direct election of Senators, a shorter workweek, restrictions on immigration to the United States, and public ownership of railroads and communication lines. The Populists appealed most strongly to voters in the South, the Great Plains, and the Rocky Mountains.

d definitly is not