My parents are divorced.
I am sorry to hear that. They need to go through some  Divorce laws which varies considerably around the world.
Yes it was no fun. The laws in US for divorce are terrible.
Yes even though it is under the jurisdiction of state governments and not the federal government.
Yes. I know each state is different also.
But are you sure that your parent are divorces as it is most time confused with annulment, which declares the marriage null and void
They are divorced, yes.
What are the reason for their divorce as they  must state the reason they want a divorce at a divorce trial 
Divorce