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I'm sorry for the trouble caused to you.
I did test your form and I am able to replicate the issue you are having. There seems to be a glitch with the "All states and cities" widget. If the widget is hidden conditionally, the form cannot be submitted. The submit button just says "Please wait..".
I am reporting it to our back end team. We will get back to you as soon as this issue is fixed.
For now, I would suggest you to disable the conditions you have added related to fields "What state was the entity formed in?" and "What country was the entity formed in?".
The issue should be resolved now.
Please check, let us know.