A document written by Saudi-born terrorist Osama bin Laden 21 years ago to explain the ideology behind the 9/11 attacks has suddenly become viral on social media, as many Americans claim to have found some truth in the words of the al-Qaeda founder.In the document, titled "Letter to America" and written in 2002, bin Laden goes on a rant about the U.S., blaming the country's intervention in the Middle East, including its decades-long support for the state of Israel, for the bloodshed of both Afghans and Palestinians.In the letter, the 9/11 mastermind pinpoints the U.S. for the oppression of the Palestinian people by Israel, writing: "The creation and continuation of Israel is one of the greatest crimes, and you are the leaders of its criminals. Each and every person whose hands have become polluted in the contribution towards this crime must pay its price, and pay for it heavily."Bin Laden wrote that Palestinians had to be "revenged," same as the people of Afghanistan, and that this jus...