Racism can effect how people think of themselves and others
Growing up can come from any task or challange you may face
The burnings and the tar and featherings from the beginning of the book
Blacks and whites have to attend different school whites often having better quality / newer things than the black schools.
Cassie gets pushed into the street and forced to apologize to miz lilian gene while earlier that day she learned how the whites get served before blacks and if you don't wait you get thrown out.