you can renew the same permit without, but you can't go from one type of permit to another (student to working prof in my case) without flagpoling; you also can't go from a visa to a permit without flagpoling
it's a great last line; when trying to explain something to someone it behooves someone to ask a follow-up so they can clarify anything not yet answered.
Political violence created and has sustained democracy, democracy is what happens when the violence fails and violence is what happens when the democracy fails.
Canada is the source of more than 80% of the US's potash, the source of fertilizer. Without that, the entire farming industry and its crops withers and dies. It is not something easily sourced and not something easily replaced, and the crops all die long before it can be sourced or replaced. Your suggestion to close the border is absurd, jingoistic, empty, and meaningless.
OP, I love your passion, but as someone who's been in these trenches for a long time as a visibily queer person, you are a Titanic heading for an iceberg of legal issues in the US, UK,and a few other places. You are putting yourself and your users at an extremely high risk of outing, doxing, and potential legal issues. The fact that you haven't addressed these issues scares me and it should scare you.