Below are a few questions that I posted on Reddit: 

https://www.reddit.com/r/EndlessLegend/comments/6napqa/when_and_how_to_use_borough_streets/

https://www.reddit.com/r/EndlessLegend/comments/6navqw/a_question_about_fids_in_cities/

https://www.reddit.com/r/EndlessLegend/comments/6n844i/key_aspects_to_consider_when_founding_a_city/

If any of you could help answer/explain them, then that would be great!