Do you have a state selector widget that only has US states, not "armed forces" and samoa, etc?

Yes, this widget will help you with that: https://widgets.jotform.com/widget/us_state_picker 

This guide will help you adding it to your form: https://www.jotform.com/help/252-How-to-Add-a-Widget-to-Your-Form 

I hope this helps.