You had applied for certified copy of the decree, hence the court supplied you the decree copy alone.
You should apply for certified copy of the judgment, which will contain the entire narration of the case and conclude with the court's decision on the divorce case which is called judgment
Difference between decree and judgment is ;
Judgement means statement given by a Judge of the grounds of decree or order.
Decree is an adjudication conclusively determining the rights of the parties with regards to all or any of the matter in the controversy.
Judgement contains the grounds for decree.
Decree follows the judgment.
Judgment is not capable of execution whereas the decree can be executed.