Typically economic crossroads would be very diverse while also being very successful. This could mostly be attributed to the wealth generated from being a trade hub.

historic San Francisco and New York are prime examples of this. When you break ethnicity down by actual ethnicity and not just skin color, these cities were extremely diverse when they were founded and throughout history. While they might not have been the safest cities in the world, there's a reason they became the economic powerhouses that they are today. The decay only set in when leftist policies cause prices to skyrocket and welfare to proliferate.

Typically economic crossroads would be very diverse while also being very successful. This could mostly be attributed to the wealth generated from being a trade hub.