Funded by Israel to counter the PLO.
So that 40 year old mistake makes terror today okay.
At its beginning, it was a benevolent association, dispensing aid to poor Palestinians. Then it might have gotten some funding from Israel. When it devolved into a benevolent association that started the Second Intifada. By the take it became a full-on terror organization with its own fiefdom in Ghaza, Israel was not funding anything, but the UN, EU, US and UNRWA were still at it, and they still are.