No Nation Sate has swore to stand with Iran, only non state actors. The Houhtis will likely launch some missiles and drones. Hezbollah has been severely weakened, but will likely join too. There were also reports of some Iraqi Resistance that launched some drones on Iraqi US bases.
Most likely, yes
Now the real question is whether or not all the nations swore to stand with Iran if this happened will do so
Who does that include?
No Nation Sate has swore to stand with Iran, only non state actors. The Houhtis will likely launch some missiles and drones. Hezbollah has been severely weakened, but will likely join too. There were also reports of some Iraqi Resistance that launched some drones on Iraqi US bases.