Nelson Rockefeller the nation. Rockefeller was re-elected in the three subsequent elections in 1962, 1966 and 1970, increasing the state's role in education, environmental protection, transportation, housing, welfare, medical aid, civil rights, and the arts. To pay for the increased government spending Rockefeller increased taxation - for example a Sales Tax was introduced in New York in 1965. He resigned three years into his fourth term to work at the Commission on Critical Choices for Americans. Rockefeller was the driving force in turning the State University of New York into the largest system of public higher education in the United States. Under
Rockefeller Center approval of the complex's status, the commission wrote, "Rockefeller Center ranks among the grandest architectural projects ever undertaken in the United States". The buildings became a National Historic Landmark two years later. The United States Department of the Interior wrote in its report that the center was "one of the most successful urban planning projects in the history of American architecture". Columbia University was not making enough money from Rockefeller Center leases by the 1970s, since a series of negotiations with Rockefeller Center Inc. (now Rockefeller Group) had effectively reduced the annual lease payment to $11 million. The university's funds