The painting reflects how important it was to look established even when shopping. the clothing appears expensive, many are dressed the same regardless of sex. Buying clothing and art appear to co-exist based this picture. To be socially acceptable, you needed to be in the trend.
I'm not sure if this is what you're looking for but a president should have a strong vision for the country's future, an ability to put their own times in the perspective of history, effective communication skills, the courage to make unpopular decisions, crisis management skills, character and integrity.
Vanderbilt's nickname was the Commodore.
He was named this because of his beginning as a steamship captain, owner, and operator.