The Following Questions Refer to the Excerpt Below

The following questions refer to the excerpt below.
"…Our country finds itself confronted by conditions for which there is no precedent in the history of the world;our annual agricultural productions amount to billions of dollars in value,which must,within a few weeks or months,be exchanged for billions of dollars' worth of commodities consumed in their production…We believe that the power of government -in other words,of the people-should be expanded… as rapidly and as far as the good sense of an intelligent people and the teachings of experience shall justify,to the end that oppression,injustice,and poverty shall eventually cease in the land…."
Preamble of the Populist Platform,1892
-One factor that contributed to the grievances of the Populists was the

A) excessive regulation of the economy by the federal government.
B) lack of available technology for farm production.
C) continued decline in crop prices.
D) decline of the power of the rail roads in the West.