Based on required evidence, an approval is a possibility.

Citizenship status?

No this is not a basis to refuse your application for naturalization.

Is it legal for immigration to look into your txt msgs?

They may specifically request this, yes. However you do not have to submit this evidence nor turn over your phone to officer at interview.

How to report a immigration fraud marriage in Louisiana? Is there statute of limitations on it?

You may report this to immigration authorities including ICE if you suspect a crime. Whether they act on your suspicion is not guaranteed.

How to immigrate?

More information is needed about your previous marriage and residency. It is best to Consult with an attorney for guidance.

Yes generally your mail will be collected and received at the PO Box soon after it arrives.

Am i aloud to change a sponsor?

Is your husband legally able to work? Watt part of the process are you currently in for permanent residency?

Generally 120 days post interview, but likely sooner, given the RFE request.

No a traffic violation such as described does not need to be disclosed on the DS160.

Yes, depending on her manner of entry. Best to consult with an attorney for guidance.