The word you are looking for is discrimination.
There was a lot of segregation in the South and many blacks were treated unfairly.
Judging people by their religion is called religious discrimination. This involves treating individuals unfairly or making assumptions about them based on their religious beliefs.
Since the question is based on an "or" condition, I would say most - if not all - politicians.
unfairly
Discrimination is usually when someone has been unfairly treated based on prejudice. These prejudices tend to be do to race, religion, income, and other ways of life.
the young boy was treated unfairly by his uncle
"Unfairly" is meaningless in context.
I was treated unfairly when i went to trial what can i do or who should i talk to
Religious discrimination is when someone is treated unfairly or differently because of their religion or beliefs. It can manifest in various forms, including harassment, exclusion, or denial of opportunities based on a person's religious beliefs or practices.
sell them to america so that they could be slave
Hawaii was annexed unfairly. Basically there were powerful men that wanted it and they took it.
to be treated unfairly