Although mariemont was financially successful, why can it be claimed that it failed to serve the needs of the people it was designed for a.

Although mariemont was financially successful, why can it be claimed that it failed to serve the needs of the people it was designed for？

a. The popularity of the town caused housing prices to rise above the economic level of the intended residents

b. The factory in the town failed, so workers had to move to other towns to get jobs. 

c. The location on the Missouri River caused flooding in the town and may residents lost their homes

d. Increasing congestion of the freeway to Washington D.C. made commuting difficult so many workers moved into the city.