He believed that only the federal government had the power to force railroads to provide fair treatment to all of its customers , large and small .
As a Senator , Cullom oversaw the passage of the Interstate Commerce Act of 1887 .
Cullom believed that only the federal government had the power to force railroads to provide fair treatment to all of its customers , large and small .
As a Senator , Cullom oversaw the passage of the Interstate Commerce Act of 1887 .