D: New infrastructure was built, leading to a thriving convention business.
Explanation:
One of the most sound legacies of the World's Fair on New Orleans was the construction of Ernest N. Morial Convention Center in 1985, which reopened later as a convention center. Besides, the construction of postmodern building has been remembered fondly by New Orleans.
The correct answer is that the consitution increased the power of the President by giving hi the option of veto but as a check and balancesa decreased on the power of the presidency by giving congress the option of impeachement if the president does anything wrong.
