After the September 11 attacks , the United States Congress approved $ 8 billion in tax-exempt Liberty Bonds to fund development in the private sector at lower-than-market interest rates . $ 3.4 billion remained unallocated in March 2006 designated for Lower Manhattan , with about half of the funds under the control of Mayor Michael Bloomberg and the other half under the control of former Governor George Pataki
September 11 attacks
September 11 attacks
Larry Silverstein