It's called emancipation
WE must first remember that the couple when filing for divorce and child support agreement , must have children . The state of Michigan court will then decide.
I believe it is 13-years-old.
Age of Majority on your state
The obligor's state.
If the parents can't agree the court will decide for you.
Once a child is in state custody I don't think the mother has a say in who adopts the child. However, you may be allowed to meet the adoptive parents.
See related link
Yes. Child support will be awarded to the custodial parent if the couple are the biological parents of the child.
A noncustodial parent can prevent the custodial parent from leaving the state with a baby or child. The court will decide if the custodial parent has just cause to leave the state.
The state with Jurisdiction over the child support order. This can be the state where the child lives, the state where the obligor lives, or the state where the divorce took place if jurisdiction was never moved. see link below
No she must first get a legal divorce in court, then she can explain her wish to keep the child. The judge will finally decide.