Even before Trump, the US illegally deported lots of citizens by accident. Because practical legal protections against deportation were shit even back then.

So they don’t even have to make it legal. Just impossible to practically fight illegal deportation.

A source https://www.houstonchronicle.com/news/houston-texas/houston/article/Hundreds-of-citizens-end-up-in-deportation-11719324.php

Oil and gas products account for 4.2% of Sweden’s exports. The gas exports alone almost rival those of dairy and eggs! Truly a petrostate if I ever saw one

Are you perhaps thinking of a different country?