Why was the elastic clause of the Constitution important to Alexander Hamilton’s plans?

AIt allowed him to become vice president after John Adams.
BIt allowed him to found a national bank.
CIt allowed for the establishment of the Supreme Court.
DIt permitted an attack on the American Indians in Ohio.

Verified Answer :

The main reason why the elastic clause of the Constitution was important to Alexander Hamilton’s plans was that "B. It allowed him to found a national bank", since he argued that this was "necessary and proper" for the US to function properly.