Electoral system
maybe cuz i not from U.S
While there was slavery in the past in European nations as well, it wasn't as rampant as it was in the United States where there were a lot of plantation owners who also owned multiple slaves and whole families at times - before this was made illegal during the US civil war.
Answer:
c because they were afraid of getting hurt
A pyramid is usually used as a tomb, but I think they can be used as an arena as well.
You can search this up on the internet if you are not completely sure.
hope this helps :)