Graduated Income Tax is the correct answer.
Many significant reforms took place during the Progressive Era. The Graduated Income Tax was one of them, which was created in order to provide the federal government with another source of income to cover funds that had been lost because of tariff substantial cuts.
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<u>Answer:</u>
The Interstate Commerce Act of 1887 required A. Equality in shipping rates charged by railroads.
<u>Explanation:</u>
The “Interstate Commerce Act” was passed in 1887. It is a federal law that was planned that helped in regulating the railroad industry. The Act made it obligatory that railroad rates should be "reasonable and just,". Though the government did not have the power to fix certain rates.
It also mentioned that railroads should announce the shipping rates and there should be no discrimination for the charges especially for smaller markets and farmers in Western or Southern Territory. The Act also created a federal regulatory agency, which monitored the railroads to make sure that they are complying with all the new rules and regulations.