When the United States government created the Post Office at the founding of the republic, it didn't invite rival postal firms to compete; in fact, it created a monopoly. That monopoly, however, was (i)____________ free expression because of policies Congress adopted, which (ii)____________ the circulation of newspapers irrespective of their viewpoint and spread postal service throughout the country. A. conducive to B. subsidized C. threatened by D. limited E. dependent on F. trivialized