American Antifa movement story

Many remember the last debate between Trump and Biden, when the Antifa group was mentioned, and Trump confirmed at the time that it was a terrorist group, while Biden stressed that it was an idea, meaning that it does not die, and also that it is a party of the Democratic Party and not a Republican, and perhaps this is the reason for its spread from America and then to Israel at last. And now its cells are in the countries of the Middle East