Descibe the roots of human rights abuses and the difficulties in preventing them

The roots of human rights abuses can be found in early history where people believed that some people were inherently more important than other people. There is even the famous Aristotelian doctrine that some people were created by nature to be slaves. These perceived differences between people have been reduced, but still exist with many people believing that they are better than other people, which is why there are issues with preventing it.