Nazis built extermination camps equipped with huge gas chambers that could kill as many as 6000 human beings in a day. Those labeled as weak would die. They were told to undress for a shower and then led into a chamber with fake shower heads. After the doors were closed, cyanide gas poured from the shower heads. All inside were killed in a matter of minutes.
The southern colonies used more slave to help with cotton production.
So both are positive. The 1st abs 2nd (A and B) are positive.
Because buffalo were such big animals they could feed a lot of people and many of their parts came to use such as their hides and horns
The alleged duty of the white peoples to bring their civilization to other peoples regarded as backward. (Hope this is right)