Hey there!
The system used for lots of city-states (started in Athens) was that you had to be a free male (meaning not a slave) born in that city-state, over the age of 18.
Hope this helps!
They were written to establish a new government among colonists, they failed bev ause they restricted the economy and provides no public service
I do not know any of the answers since I did not read the passage, the next time you could put a link to the passage so it's better to comprehend. That's my best suggestion.
I suggest: Put some context and background knowledge <em>before</em> putting the questions themselves for people to answer. If you don't do that, then people would be coming into this blindly.