The government's changing role in the united states during world war i was evident in the establishment of which agency?

United States Railway Administration

Explanation:

When the government recognized that the railroad system is not up to the expectation of war efforts, Wilson decided in favor of a nationalized railroad system through the United States Railroad Administration. The need to supply war material to allies there was high traffic from west to east, resulted in a shortage of freight cars. USRA has ordered over 100,000 new railway cars and 1,930 steam engines – built to the highest standards.

economic