To achieve the fullest cooperation and coordination of activities among the levels of government in order to improve the operation of our federal system in an increasingly complex society, to improve the administration of grants-in-aid to the States, to provide for periodic congressional review of Federal grants-in-aid, to permit provision of certain reimbursable technical services to State and local government, to establish coordinated intergovernmental policy and administration of grants and loans for urban development, to authorize the consolidation of certain gran-in-aid programs, to provide for the acquisition, use, and disposition of land within urban areas by Federal agencies in conformity with local government programs, to establish...