It means that a Hindu social class system has every aspect and dimension of life in it. It means that it supports certain ideas and meanings in the everyday life. I hope this helps, :)
The Interstate Commerce Act is passed because of the ceaseless demand of public for the regulation of the railroads. The passing of the Act only serve as the government's response to such claims. The demand is caused by unfair used of these railroads by some private entities only.
F.W. de Klerk was the president before Nelson Mandela