What is the most important thing you can do to participate in government and politics?

The most effective and important thing is influencing public opinion.

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.