If Trump actually used nuclear weapons on Iran, what would happen next?

Trump actually threatens to use Nukes on Iran and Iran doesn't care , they will call his bluff. If Trump uses Nukes , this could make China step in with Nules or even Russia. Pakistan said if nukes were used on Iran they would Nuke Israel. Now you see when you elect a dumbass as President what can happen.

Generals will step in and Stop Trump from using a Nuke
Trump will use a Nuke on Iran
Pakistan would Nuke Israel
China or Russia would use a Nuke on US
Anything could happen if US uses Nukes
World War 3
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3 mo
Anyone that thinks Iran will surrender 5000 years of history has their head up their Ass and totally understands nothing. Are very uninformed. Probably uneducated MAGA that works at a car wash or lives in their mothers's basement.
If Trump actually used nuclear weapons on Iran, what would happen next?
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