The author thought it wasn't worth mentioning the name of Argentina's president in the title. Interesting choice.
People usually use the open source definition from the Open Source Initiative. That definition does have extra requirements:
Stochastic parrot
No, that's an oversimplification. The judge has been asking the representatives in Brazil to block some accounts that have been spreading disinformation. The representatives replied to the judge saying they're just representatives and X/Twitter wouldn't comply with that request. In Brazil, if you're the representative of a company, you have to have the power to comply with Brazil's laws. As they were not complying, the judge gave them extra time to comply and mentioned if they didn't comply, the local president/director/representative would go to jail. That's when X/Twitter closed the representation in Brazil.
After that, the only action left available for the judge was to block X/Twitter.
Google and Apple were notified in order to block access to X/Twitter's app in Brazil on their app stores.
"Today", right. I wish you a good weekend stranger.
If you just want to list the files, with details about when they were modified and where they are saved, I suggest git-annex. https://git-annex.branchable.com/
Yes, Trump tightened the sanctions. Look for the changes between 2019-2020 here: https://nsarchive.gwu.edu/briefing-book/cuba/2022-02-02/cuba-embargoed-us-trade-sanctions-turn-sixty
No, Brazil didn't join the Belt and Road initiative.