Hamilton defended the right of Congress to charter a national bank by claiming
1 the commerce clause
2 the supremacy clause
3 the elastic ("necessary and proper") clause
4 the full faith and credit clause

A clause within the United States Constitution that grants Congress the power to pass whatever laws are deemed “necessary and proper” to help Congress to carry out the enumerated powers.

Explanation:

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when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.