If Iran closes the Strait of Hormuz, the impact is very broad and the world economy is dead, we know that the Hormuz Strait is a vital and strategic path of the world economy, We will recall the history of Persia vs. Roman Strait Pathway Hormuz is one of the world oil supply centers that must be passed.
We all know that the Strait of Hormuz Oil flow out in the day can reach 21 million barrels of average count, meaning that at least 21% of the oil needed by the world will be jammed, of course if the Strait of Hormuz is closed Iran, the total global economy, this is not a trivial matter.
In fact, many countries have to think 100 times when attacking Iran, except the silly Israel who do that without thinking about the effects of Iran's, Iran is not the same as Yemen, Gaza or Lebanon.
I think Iran have taken a very diplomatic approach to me in this regard, what most people actually were expecting after the US announcement of bombing Iran Nuclear houses was a direct retaliation by the Iran government most especially when they had made statements that they will answer back. Closing the Strait of Hormuz simply means Iran is definitely involving more countries into this war in directly. Yes it is actually reported that USA stream of oil through this route is just 1% but most top counties depends on oil from this region.
First country is China and India who are reported to be having close to 50% of oil through the Strait of Hormuz wouldn’t be sited to actually watch its closure, other countries which are Japan, North Korea and even European countries will have their energy cut too.