In Wisconsin, you would be responsible for damages to other people's property if your negligence caused the broken pipe. Was it old and in need of replacement, but you failed to replace it? Did you cause a clog that caused it to break? If you installed the pipe, did you install it incorrectly? Just because the pipe broke doesn't mean that you were negligent and are responsible for damages. The owners of the other houses would have to prove that you did something wrong.
If in California your neighbor is responsible for any damage that his tree has done to your property.
She does if your claim is corroborated by a GOOD witness. (One on your side) It depends: If you were in your neighbors driveway without their permission you were trespassing and you assume responsibility for any damages. However, If you were there with the neighbors permission and the daughter is 18+ then she is responsible for damages.
Legal parents or legal guardians are responsible for the damages caused by their juvenile.
In all likliehood - your insurance company would pay to repair your dwelling and then they would take action (called "subrogation") against your neighbors insurance company to collect from their insuror.
Usually anyone that is responsible should pay for damages that they caused.
If your neighbor's pool water is flooding your yard and causing damage you can bring a lawsuit for damages. Your case would fall under the category of tort law.
Mother nature. Just send her a bill. That is not necessarily so if the roof was not fixed properly the responsibility can end up with the owner or builder.
The can hold you reliable and you can dispute it in court
No, Your Homeowners Insurance will not cover windstorm damages to your neighbors vehicle because you are not liable for acts of nature. Your neighbors will have to look to their own Comprehensive Auto Insurance to cover windstorm damages to their vehicle.
If a car damages your trash can, the person driving is responsible if the trash can is in the proper place. If the trash can is not in the proper place, it is your fault.
You need to make a claim against the neighbors homeowners insurance for damages. Since it sounds like it was an "act of god" they may not cover the damages. In that case you have two choices, you could use your comp insurance to cover damages, if you have comp coverages on your policy, or pay the damages out of your pocket and see if the neighbor is willing to help out with the charges.