Question

top of a box with the projector inside. for a nickel, viewers could look through the peephole to see films of men at work (like blacksmith scene) or of a dancer (carmencita), or perhaps a scene of everyday life (like the barbershop). although they lasted less than a minute, these first short films excited audiences as much as any film seen today.
the first films were silent, but in 1895 edison attempted to combine sound recording and motion pictures in a device he called the kinetophone. unfortunately, this early effort at talking motion pictures proved unsuccessful. more than thirty years would pass before sound films would become widespread.
how do the fourth and fifth paragraphs work together?
they describe a great achievement of edisons and then explore his next success.
they describe a great achievement of edisons and then reject its importance.
they describe a great success of edisons and then acknowledge its limits.

Explanation:

The fourth paragraph shows Edison's success with early short films exciting audiences. The fifth paragraph mentions his attempt (kinetophone) which was unsuccessful (acknowledging limits as sound films took over 30 years to spread).

Answer:

They describe a great success of Edison's and then acknowledge its limits.