it 's also true that when wars start (like the Iran war) start it is very difficult to impossible to stop them

 What Trump has started in Iran could literally go on 25 years to 100 years because of the age of the Persian Civilization. Civilizations like the Iranian Persian Civilization has been in existence about 2500 to 3000 years so far so they have a way of going on no matter what like the European civilization grew through Ancient Rome to now and the Egyptian civilization goes back to the Great pyramids and the Chinese civilization goes back at least 6000 years or more too.

So, Trump thinking that Iran (the Persian Culture) is just going to go away after existing almost 3000 years is pretty stupid. They didn't exist 3000 years already by being stupid as a culture.

So, as a direct result the problem of Iran for the world is ongoing and likely will continue in some form for 25 to 100 years until some new form of government (hopefully democracy) arises from the ashes of what is there now.

So, what is going to happen from Trump doing what he did and Netanyahu doing what he has done and will do is pretty unpredictable in the short and long run for about 100 years now.

However, I think Iran might still be there in 100 years but because of Netanyahu I think Israel might be gone (as it presently is) within 20 to 25 years.