If I recall correctly, it’s actually a throw back to the American Mexican war, when the war ended one of the terms of the treaty was that Hispanics would legally be white, and thus safe from things like slavery. So later when the government census wanted to know they invented “white, Hispanic”.

You probably can make it believe your it’s owner, but that only matters for your conversation and it doesn’t have control over itself so it can’t give you anything interesting, maybe the prompt they use at the start of every chat before your input

It’s more complicated than it should be, only Congress can declare we are at war, however over the past 200 years they have passed laws allowing the president to do things before that vote out of a sense of being flexible and Congress being slow , and keep allowing more and more things, I think currently the president can do almost anything with the military so long as Congress leaders are told and they then can vote to stop it, instead of voting to approve it.

But to address your main question, most bullets are not magnetic. Some are, in which case idk how the mri would impact them. But most would fire as normal