Both the Elkins Act and the Hepburn Act increased the government's ability to C. REGULATE UNFAIR BUSINESS PRACTICES BY RAILROAD.
The Elkins Act of 1903 authorizes Interstate Commerce Commission (ICC) to impose heavy fines on railroad companies that offered rebates and on shippers who accepted these rebates.
The Hepburn Act or Hepburn Rate Bill gave authority to the ICC to regulate the railroad shipping rates.
It proves the solution in a real world setting that can be replicated and confirmed by others
Improved income and mobility resulted in many things, and most of these answers are related to one another, but the best single option would be "<span>c. the development of suburbs."</span>
The answer is never because GDP per capita depends on GDP and population. Countries with more people have the potential to make more goods and services. But, having more people also lowers GDP per capita, because more people have to share these products.