Answer:
In some news articles and on the news you can learn stories of forster children that get treated diffrently than the biological children. This is because when you take in a foster child you recive mothly paymets to take care of that child, and some people only take foster children in for the money so they can spend it on their own children or themselfs. As horrible as it sounds its true there are some people out in the world that will do that to children