Why the old Europeans wore costumes like ghosts and other evil creatures?
Because they wanted the spirits not to harm them.
Because they wanted to get candy.
They wore costumes to go to parties.
They wore costumes to go house from house.
Correct answer: A
So on that night people wore costumes that looked like ghosts or other evil creatures. They thought if they dressed like that, the spirits would think they were also dead and not harm them.
Answer A. Because they wanted the spirits not to harm them.