Could you correct these sentences for me? Thanks very much :)

1. They wrote a contract including a provision stating that if any party doesn't fullfill their obligation, they'll have to recompense.
2. The wife had been enduring her husband's violence acts against her and the children for 2 years. One day she couldn't take it anymore and decided to run away with the kids.
3. Since her son's band has been playing too loudly all the weekend, when she and her husband come back home from their vacation they received a rash of complaints from the neighbours.
4. As a adult I peceived many truths that I didn't know when I was a teenager.
5. The US soldiers in VietNam war were accused of perpetrating atrocities against innocent people.
6. Party A must inform the matter in writing to party B accordance to the 3rd provision of the contract.
7. After the incident, many people go down the road to oppose the company's evil acts against the environment.
8. In 18th century, corporation punishment such as branding or mutilation are very popular in Europe.
9. After the murder left, the maid came in the room and found her boss's body soaked in blood, and his room was in disarray.