But even more, it proved, with the humanism of Leonardo and Michelangelo and the political realism of Machiavelli, to be the birth of our modern age.
Leonardo and Michelangelo's humanism contributed to the birth of the modern age.
STATE AND LOCAL GOVERNMENTS -State and local governments generally  the 50 States and the District of Columbia; cities, counties, townships, school districts, special districts, public authorities, and other local governmental units as defined by the Bureau of the Census; and Puerto Rico, the Virgin Islands, and other US territories.