because the united states congress has been given the power to regulate interstate commerce, the states are limited in their ability to regulate or tax such commerce between them.
John Dewey, American educator, wrote the very influential book called "Democracy and Education". He was a wise man with strong political and social issues, that's why his ideas are considered to be the most influential in education and social reform throughout the educational history of America. He is often associated with a terms of pragmatism and functional psychology.
A. Socialism
The definition of socialism is a political and economic theory of social organization which advocates that the means of production, distribution, and exchange should be owned or regulated by the community as a whole.