What will the U.S. response be if Iran is found to have been involved in recent attack in Karbala, Iraq?

Question

Five U.S. soldiers were killed in the attack in Karbala, Iraq. CNN has reported that an investigation is underway to determine if Iranian agents were involved. What will happen if Iran indeed was involved? What will the U.S. do?

Answer 1

I don't think its a matter of if we will go to war with them but when and what will be the excuse.

Answer 2

Israel will nuke Iran and clearly some others. Iran does no longer have a weapon to furnish those Nukes that makes the question prempting and in the incorrect time. you're able to ask the question any opposite direction What could ensue if Israel Nuked Iran. that's the real one and attempt to respond to that one because of the fact that's greater sensible and obtainable to ensue.

Answer 3

If the Iranians seen troops into Iraq they should respond in like order,not nuke the country.not over react.I would like to see clear proof.not made up storys. before we kill anyone.