This "biggest sponsor of terrorism in the world "thing interests me. Not because I am defending the Iranian Government, but because its a reason regularly bandied about without definition or figures.
It is used as a reason, in my view an excuse, for whoever it is in fashion to bomb/attack/sanction. It was used against Iraq alongside WMD, Libya and recently Maduro. Cuba next I suspect.
And as the bombing starts, we are told of x number of foiled plots etc in whatever nation. But these plots never appear to make the news in terms of arrests.
And "biggest sponsor" is so easy to manipulate.
Say there is a thousand terror attacks. And 5 are sponsored by nation X. 4 by Y, and 1 by Z. That makes 10 sponsored. 990 non sponsored, or "independent".
So the "biggest sponsor" can be technically true, but actually insignificant. And that's number of attacks, not people killed. But you get my drift.
So likes of the US for example, there might be ISIS inspired, far right inspired, far left inspired, but maybe just 1 country x sponsored. Yet it is country x that gets the full might of the US military etc.
My point is that "biggest in the world" is going to be used, data really should be presented.
After all, if we are talking about bombings and subterfuge in an attempt to get change of government, there is one clear winner in world ranking.