It failed because either the change did not work well in many business settings, or it was inefficient (due to the inefficiency of the conveyer-belt system). A more accurate reason is that the circuits couldn't handle the traffic during peak hour. The customer's orders were regularly mixed up. The conveyer-belt system was not fast enough or efficient enough to handle it.
The answer is C. Oh, and I found a resource to back it up:
I’m pretty sure it’s Germany
Well this what i would put Mount Fuji is a symbol of Japan. The mountain contributes to Japan's physical, cultural, and spiritual geography. ... In fact, the last time Mount Fuji erupted, in 1707, volcanic ash fell on Tokyo. Mount Fuji is the single most popular tourist site in Japan, for both Japanese and foreign tourists
All African languages are based on the Ashanti language which helps them communicate with each other.