All of the following can be attributed to the work of thomas edison except
a)
the phonograph, which enabled the recording and reproduction of sound and music.
b)
moving pictures, which allowed people to see events from far off places and watch entertainment on a wider scale.
c)
the light bulb, which changed the way people lived and worked by allowing them to play and work at night as well as day.
d)
the mail order catalog, which allowed people in rural areas of the country to have access to america's growing material output.