All the US has to do is: nothing. Stop sending over tank shells [1], Fighter jets and attack helicopters [2], deploying aircraft carriers [3] and stop vetoing UN Security Council resolutions trying to impose a ceasefire [4]

1. https://www.theguardian.com/us-news/2023/dec/09/biden-admini... 2. https://www.haaretz.com/israel-news/2024-01-25/ty-article/.p... 3. https://www.voanews.com/a/us-aircraft-carrier-to-remain-in-m... 4. https://apnews.com/article/israel-palestinians-un-resolution...