Which two social classes lived mostly in the cities, as opposed to the suburbs

If we are talking modern times I would say Upper and Middle Class

Explanation:

This is because the cities usually have a much higher cost of living, meaning lower class citizens would be more likely to live in more affordable locations.

americans had many intangible advantages. well since the british fought a war far from home military orders, troops, and supplies sometimes took months to reach their destinations, and the british had an extremely difficult objective. they had to persuade the americans to give up their claims of independence, americans had a grand cause: fighting for their rights, their independence and their liberty. this cause is much more just than waging a war to deny independence.

b.   jim crow laws were enacted in northern states.