The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The changes made by the Populist Party helped improve Texas in that the state of Texas benefited from the Farmers Alliance platform that included important demands such as the preservation of farmer's lands, protection against large wealthy landlords, better transportation prices in railroads, tax reformation and new legislation, and the support with more circulation money that benefitted the farmers.
The Populist party members demanded the government should exert its authority and became the sole owner and operator of railroads in the United States.