After watching this video https://www.youtube.com/watch?v=WZWRhLW7Y8w, I was surprised that US Constitution effectively does not protect country from stop being democratic. Will actions described in video (for example, using US Army to hold the power) be lawful and constitutional?
It does not matter if President Trump never concedes this election. If, as expected, a majority of the Electoral College votes votes for Mr. Biden, then Trump's term will end on January 20.
The machinery of the federal government, including the armed forces will recognise Biden, and not Trump, as the President, and will act accordingly.
The Electoral College is part of the constitution.
But if this time the Electoral College can't state a winner, maybe because one or more states have two delegations claiming to be the correct one, then the decision is transferred. If there the GOP has the majority, ...
The constitution is older than the internet, so it doesn't consider everyone knowing how the states had really voted.