Answer:
Discrimination happens because of several reasons. When people act upon their prejudices or stereotypes, they are discriminating against a person.
Step-by-step explanation:
For example, if you kick someone out of the neighbourhood, stop someone from drinking water from the same handpump as you, or not letting anyone drink from the same coffee mug as you, due to their race, gender, religion, the place they come from, you are discriminating against them.