Why did the populist party not support Henry Grady

He was supported by the populist because his New South was not universally accepted

Explanation:

The accomplishment of the populist

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.

Mixed Vision. Despite such achievements, Grady's New South was not universally accepted. Agrarian pundit Thomas E. Watson criticized Grady for allegedly submitting Georgia to northern interests and oppressing farmers.