Although it is the most hated of the permissible acts by God, in the religion of Islam divorce is allowed if the relationship cannot be fixed.
In Islam divorce may be initiated by the man and the woman, because they are both equal entities. There are many rules about divorce, however, that must be followed.
First of all, divorce should be only considered as the last resort. If the relationship can still be reconciled then it is best for the couple, the children, and the stability of society that the marriage be worked on. If at last, the couple does not see eye to eye then it is best to part separate ways.
There must also be a valid reason for the divorce. You may not divorce your spouse just because of one fight or misunderstanding. Once you have initiated a divorce you must then go through a waiting period of around three months, where the wife lives with the husband. This time is so that the couple still has time to try to fix the relationship before parting ways. If in the end they still want a divorce, then their marriage is dissolved.
As far as financial aid goes, the husband is still financially responsible for the children. After a divorce the wife is allowed to keep some of her dowry but must return the rest to her now ex-husband.
Overall, divorce is the most disliked allowed act, therefore it must be kept as a last resort.