Yes, actually, and that's all we would need. A well-armed people can only ultimately be conquered if they quit.
An invasion here would be suicidal for even all the global powers put together.
So much here....that is......just.....not true.
Red China 2 billion people.....India same......
What do you think would happen if 2 billion armed folks showed up here?
Wait for it....we would lose.
And do you think any invasion wouldn't be preceded by a bombardment(of any type)?
A simple understanding of war/tactics would prove this out.
Throughout history.....going back hundreds if not thousands of years reveals bombardment of rocks to nukes. Followed by invasion....you know to "soften up" the defenses.
Catapults, arrows......even stampeding animals. You don't think all the combined Nations on earth couldn't be the USA? I'm a Patriot but.....really?
Would it be catastrophic to us/them? You bet!