America’s birthday is upon us. Hot dogs, apple pie, family and fireworks. But this July Fourth, Hallel Yaffa’s family will be sitting Shiva. The young American-Israeli teenage girl died of multiple stab wounds while she slept in her bed, killed by a 17-year-old  Palestinian terrorist who had praised Adolf Hitler on his Facebook page.

These are brutal times we live in, and as USA Today documents, there have been multiple Islamist mass murder terrorist attacks in the just the last few weeks on three continents, culminating in the Istanbul Airport outrage.

Beyond the obvious anguish of Hallel’s family and community, why should the rest of the world even take notice of the death of one 13-year-old American-Israeli girl? Because there are too many enablers who helped pave the way for this craven act and hundreds, if not thousands of other terrorist outrages past and future. Here's where we should start.

Hamas: it’s been some thirty years since Hamas-the spawn of the Muslim Brotherhood drew up their own genocidal Declaration of Independence invoking The Protocols of the Elders of Zion and pledging to kill Jews beyond “every bush and tree” until Palestine was Judenrein (free of Jews) from the Mediterranean Sea to the river Jordan. They perfected suicide bombings, human shields and honeycombed tunnels for terrorists. Their genocidal hatred of Jews is never challenged in Gaza, not even in UNRWA (United Nations Relief and Works Agency for Palestine Refugees in the Near East) camps and classrooms.

Palestinian Authority (PA): For decades, world leaders have presented the Palestinian Authority as the true and legitimate voice of Palestinian aspirations and Israel’s partner in a future, peaceful Two-State solution. But the PA doesn’t teach peace in its classrooms, doesn’t preach it in its mosques, doesn’t practice it in the halls of diplomacy, doesn’t broadcast it on their TV Stations, doesn’t promote it on its social media platforms. In the last week alone, PA president Abbas used the podium of the European Parliament to accuse (non-existent) Israeli Rabbis of urging Jews to poison the water supply of Palestinians

The immediate response of the Fatah Facebook page to the murder of Hallel in her bed, was to post the killer’s picture, declaring him a Martyr or “Shahid,” the highest honor achievable in Islam, for “protecting” the Al-Aqsa Mosque, a sentiment seconded by the martyr’s own mother who declared, “Allah willing, all of them will follow this path, all the youth of Palestine. Allah be praised."  On June 27th, Sultan Abu al-Einein, an adviser to Abbas on civil society organizations and a Fatah Central Committee member, declared during an interview with the Palestinian news site Donia al-Watan: “Wherever you find an Israeli, slit his throat.” 

Not to be outdone, Abu Falul, a terrorist freed in Gilad Shalit hostage deal, went on the Hamas-run al Aqsa TV’s, “On the Path of Resistance,” to explain Hitler’s reason for mass murdering European Jews: Hitler decided to kill the Jews because he “simply despaired of Zionist racism in Europe,” Falul explained, adding that the actual numbers of Holocaust victims “inflated.”

US State Department, EU, Mideast Quartet, Human Rights NGOs, World Council of Churches:  These frontline global players have a common denominator when it comes to Palestinian Anti-Semitism. Silence, or worse. Abbas’ speech at the European Union that included his poison water screed, brought, not condemnation from the diplomats of 27 European nations, but a standing ovation. Later, Abbas was forced to retract his blood libel, but no thanks to the State Department Spokesman who couldn’t find his way to condemn the blatant lie

Self-anointed guardians of global "civil society," governments and NGOs prop up the Palestinian Authority by funneling millions to the corrupt PA, but are mute or justify Palestinian Jew-hatred and terrorism.  And where is the Palestinian Authority investing the largess of the US taxpayer, Church goers, Euro Bureaucrats, and NGOs?

Speaking at a recent iftar meal to break the Ramadan fast in Ramallah, Palestinian Authority Prime Minister Rami Hamdallah stated that the PA and its institutions would continue providing a wide range of benefits -- including financial rewards - to terrorists' families, and would work to up its support for them. 

Part of our Jewish grief over the death of Hallel Yaffa is the knowledge that she will not be the last Jewish victim of genocidal hate and terrorism in Eretz Israel—not as long as the world treats Mahmoud Abbas like he’s George Washington.

So we mark this July Fourth by urging the U.S. to declare its independence from Palestinian terrorism and hate. To change from terror enablers to true peacemakers. I

t is past due for civilized people and nations to (at least temporarily) shut the checkbooks and to demand Palestinian accountability.

Rabbi Abraham Cooper is associate Dean of the Simon Wiesenthal Center in Los Angeles.

Dr. Harold Brackman, a historian is a consultant to the Simon Wiesenthal Center.