25 !

how did ethnicity and race influence the cities of the us in the late 19th century?

they define social stratification.

they played a limited role.

they contributed to the view of america as a melting pot.

they caused separate schools to develop for different ethnic groups.

They helped define social stratification.

Explanation:

In the nineteenth century, Americans of mixed African and European ancestry were even recognized as populations of distinction in Charleston, New Orleans, and other Southern cities.

one of the negative side effects were the economic losses the events of september 11th caused. many, many people lost their jobs as a result of a downturn in the economy after the terrorist attacks.