Why Did Congress Begin to Adopt National Business Regulations

Why did Congress begin to adopt national business regulations?

A) They wanted to increase the amount of money that the government earns from monopolies.
B) They thought that government-sponsored monopolies were the best way to provide services to consumers in most industries.
C) They wanted to alleviate the burdens that companies faced of adapting to the regulatory inconsistencies across states.
D) They wanted to encourage the development of an automotive industry that would strengthen America's position in the world economy.
E) Occasional bubbles,fostered by regulation,are actually a healthy part of a market economy.