what are the importance of studying the grounds for nullity of marriage?

Answer 1

there are many reason to anull a marriage
such as;
"Fraud" generally means the intentional deception of the Plaintiff by the Defendant in order to induce the Plaintiff to marry.

In the case of the Catholic Church, annulment does not mean the same thing as divorce. The anulment will allow the parties to remarry.

there have been two celebraties that have had annulment with in days of marrage.
Brittiany Spears
renee (bridget jones star)