Alright. I guess one of the obvious ones is to be an american citizen to apply, right?
That's correct. However, is not limited no U.S nationals only. Even noncitizen can apply, if they are eligible.
Understood, if I get a federal aid and my university process is not satisfactory, what would be the consequences?
Reasons for appeal generally include the death of a family member, illness or injury, or other special circumstances;