Mainly because of racism and sexism.
Only one?
If one then cheerful
If two then gloomy and cheerful
C
I could be wrong but that’s what I think!
Well I actually thought it was an option for students to make up their own mind on when they want to go to college. Some students receive scholarship of a subject they passed with high Honor's, so they probably go away to college right away. Some students have good paying jobs so they don't want to go off to college right away.