Russia is now manufacturing it's own drone based on the shahed drone, it no longer need Iran.
The nuclear deal was respected till trump teared up the deal and europeen refused to be clear that the 12 days war was started by the usa is Israel. Truth is regardless of how terrible the regime is to it's people it is more trust worthy than the USA.
Pre ukraine joining the sanctions on Iran in 2007. Both ukraine and iran under the same regimw has normal relation
Reza pahlavi is an israeli agent who is unpopular within Iran. His father was a butcher too and he is fine with it. Zelensky has zero advantage to meet him. He could have stick with I support the iranian people