Well Germany and the UK are also arming them.
To think one call will end it is naive. We're way past that point.
Discussion
It is not naive, it is informed. If there's anything everyone should know about American foreign policy, it's the fact that Israel never had anything to offer to the US. Even the devil himself Ronald Reagan personally ordered a ceasefire when he found out about the Habib mission in Beirut.
What I meant to say is that a phone call can end the current massacre, not the entire settler colony project