Yes. Do the best you can do and try your best to list all of the addresses on that form so you can comply.

If there is no order for child support you should not have to provide proof of child support. But just in case keep evidence you have send money...

Contact the warden of the prison and request permission to get married and you can get married to this individual.

You should get as many copies as you can of the decision not to prosecute and you can present it to CBP. You should not be excluded. But if you...

If the form allows you to include step children, then yes, you should include the child on that form.

You will have to check with the laws of your state whether the marriage was valid or void or voidable. Presumably it was a valid marriage and you...

If you are filing to terminate based on filing an I-212 waiver and I-601A waiver for consular processing, you should be able to request OPLA to...

Perhaps you could elaborate and indicate what state, and perhaps the title of the crime in question.

If you are filing online, you should be able to file all of the applications and evidence online and you should not have to mail anything.

Yes, file an appeal and if need be, file a lawsuit in federal court for a copy of the approval notice, if you filed for your own H4 approval notice.