Answer:
He established the custom of using the heads of various departments for his personal advisers," since this created the idea of a "cabinet"
Southern state legislatures employed literacy tests as part of the voter registration process starting in the late 19th century. Literacy tests, along with poll taxes, residency and property restrictions and extra-legal activities (violence, intimidation) were all used to deny suffrage to African Americans.
It gave further power to the Interstate Commerce Commission.
The Mann-Elkins Act continued the federal government's authority to regulate railroad rates and telecommunication and expanded the power of the government to regulate telephone, radio, and telegraph companies.
The Mann-Elkins Act was passed in 1910 during the Progressive Era. The act was passed as part of a series of laws to regulate segments of the economy. During the Gilded Age the government passed regulation over the railroads and communications giving the government the power to set prices and prevent gouging of industries needing those services to survive. In the 1910 act, the government was provided the power to regulate the companies owning telephone, telegraph, and radio services.
