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:

https://opensource.org/osd

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