Cultural leveling is the process by which different cultures approach each other as a result of travel and communication. Cultural leveling within the United States has been driven by mass market media such as radio and television broadcasting

Broadcasting

Broadcasting is the distribution of audio and video content to a dispersed audience via any audio visual medium. Receiving parties may include the general public or a relatively large subset of thereof...

 and nationwide distribution of magazine

Magazine

Magazines, periodicals, glossies or serials are publications, generally published on a regular schedule, containing a variety of articles. They are generally financed by advertising, by a purchase price, by pre-paid magazine subscriptions, or all three...

s and catalogs. Some of these means and effects are considered artifacts of the Machine Age

Machine Age

The Machine Age is a term associated mostly with the early 20th century, sometimes also including the late 19th century. An approximate dating would be about 1880 to 1945. Considered to be at a peak in the time between the first and second world wars, it forms a late part of the Industrial Age...

of the 1920s and 1930s.