The phonograph and the motion picture camera.
Hope this helped!
The tenth amendment preserves the freedom of speech is false. It is the first amendment that preserves the freedom of speech
Thomas Paine - The pamphlet of Common Sense.
“era” refers to a period of time characterized by events in a chronological order.
“Period” can refer to a short interval of time or a very long interval of time.
Localgoverment in the united states refer to govermental jurasdiction
