Answer
Improved lives for all classes
Step-by-step explanation
Proper planned cities guaranteed adequate housing, employment opportunities, ease accessibility and safety for all those who were depending and benefiting from these cities. Rulers planned their cities to come up with right policies concerning population density, land use practices, and public space which all influenced the manner services were to be delivered to the citizens. City leaders wanted to build over-lasting relationship with trading partners thus proper city planning was vital to facilitate the engagement of all possible contributor that included local leaders, citizens and partners.