Answer:
Florence became the center of the Renaissance. Because of its extensive trading network also for inviting the painters and sculptures from all over Italy. Florence ruled by the Medici family. Medici family being wealthy merchants (bankers) in Florence, spend much of their wealth in making Florence into a center of art and culture. They became patrons who believed in individualism.
Niccolò Machiavelli, a philosopher, who wrote 'The Prince' gave the idea of how a ruler must stay in power. Also, what a ruler should do and not do to gain his ambitions.