Answer:
The answer on edg is A.
Explanation: i dont feel like explaining just mark me the brainliest ;)
it gave congress the authority to enforce income tax
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.
Possibly b the kkk was a group very racist toward people of color
