What is the significance of the radio act of 1927 and the communications act of 1934?

 the Federal Radio Commission act of 1927 Creates several regulations for Broadcasters and will forced them to shut down if they did not comply.
In the federal communications act of 1934, the same regulations apply to Interstate telephone, telegraphy, and internet.
Both these regulations is an effort by the government to control the flow of information in Media.