In what way does Blanche symbolize the Old South and Stanley the North in A Streetcar Named Desire?

Although
is most overtly about gender roles in post-World War II New Orleans, a
case can be made for a metaphorical interpretation that would comment upon the relationship
between the southern and northern states at the time of and immediately following the Civil
War.

In such an analysis, Blanche is the character who most clearly
represents the South. Blanche comes from a family line that once owned a large plantation, which
was eventually lost for taxes and debts. Similarly, the Civil War put an end to the plantation
economy by outlawing the slave labor that kept it...