Earlier quoted context omitted.
Are you implying other countries have to join in? Iran is only a threat because the US and Israel decided it was time to murder some Iranians. The US and Israel are more of a threat to the entire world.
let's not pretend this attack happened in a vacuum. Iran has been funding murderous militias like Hezbollah , Houtis and fighting a proxy war for years.
The US started all this with the 1953 coup in Iran, and Israel was from its inception an extremely aggressive and expansionist country.