Answer:
t's believed that the failure of France to put down a slave revolution in Haiti, the impending war with Great Britain and probable British naval blockade of France – combined with French economic difficulties – may have prompted Napoleon to offer Louisiana for sale to the United States.
It would be the search for gold in the Americas
The response was that the government should not interfere with the market since it would ensure the prosperity of everyone in the long run.
The 19th century was known for government wanting to meddle in the affairs of the market because the second half of the century, after the civil war, marked the beginning of the reconstruction and the beginnings of the progressive age when the government wanted to meddle in the market and protect the workers who unionized more and more.
It was the Hydaspes River