President taft's passage of the mann-elkins act in 1910 continued roosevelts legacy of railroads reform by

By strengthening the Interstate Commerce Commission.

Explanation:

The Mann-Elkins Act was a 1910 federal law that was part of Taft's initiative to regulate destructive competition and unfair trade practices. Taft wanted to avoid the common control of competing railroad lines, and this was seen as a positive move towards progressive policies. The Act also extended the authority of the Interstate Commerce Commission.

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.