What was the American Revolution and why was it a significant event?

The statements which accurately describe Northern Italian Renaissance city-states is b) The governments of most Renaissance city-states were controlled by princes or kings and c) Guilds maintained standards for anyone working in their craft in a city-state. The Northern Italian Renaissance city-states were often governed by aristocratic families and they were places where arts and culture flourished so guilds were created to maintain these standards in different artistic talents.